{"title":"Hanna Checkers","description":null,"products":[{"product_id":"hanna-phosphorus-checker-reagents-25-pack","title":"Hanna Phosphorus Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphorus Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Phosphorus Checker Reagents - 25 Pack are replacement reagents for the Hanna HI736 Phosphorus Ultra Low Range Checker, used for ultra-low phosphorus testing in marine systems.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI736 Phosphorus ULR Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI736 Phosphorus Ultra Low Range Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 phosphorus tests.\u003c\/li\u003e\n\u003cli\u003eUses the ascorbic acid method to produce a blue colour reaction.\u003c\/li\u003e\n\u003cli\u003eUseful for reef aquarium nutrient monitoring at very low phosphorus levels.\u003c\/li\u003e\n\u003cli\u003ePre-measured packets support consistent routine testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003ePhosphorus Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI736-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI736 Phosphorus Ultra Low Range Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: ultra low range phosphorus\u003c\/li\u003e\n\u003cli\u003eUse: marine and reef aquarium nutrient testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Phosphorus Reagents\u003c\/h2\u003e\n\u003cp\u003eAdd the reagent packet according to the HI736 checker instructions, mix fully, and keep the cuvette clean before reading the sample. Use fresh reagents for dependable low-level testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e25 phosphorus ultra low range reagent packets\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343882756186,"sku":"HN-RPHOS","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rphos.jpg?v=1743199506"},{"product_id":"hanna-alkalinity-checker-reagents-25-pack","title":"Hanna Alkalinity Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Alkalinity Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Alkalinity Checker Reagents - 25 Pack are replacement reagents for the Hanna HI755 Marine Alkalinity Checker, used to test alkalinity in saltwater aquariums and marine samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI755 Marine Alkalinity Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI755 Marine Alkalinity Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 alkalinity tests.\u003c\/li\u003e\n\u003cli\u003eUses a colorimetric method with a yellow to green to blue reaction.\u003c\/li\u003e\n\u003cli\u003ePrepared for easy use with the compatible Hanna checker procedure.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eAlkalinity Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI755-26\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI755 Marine Alkalinity Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine alkalinity\u003c\/li\u003e\n\u003cli\u003eUse: saltwater and marine aquarium testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Alkalinity Reagents\u003c\/h2\u003e\n\u003cp\u003eUse only with the compatible HI755 checker procedure. Add the reagent as directed, mix carefully, and keep cuvettes clean for consistent colorimeter readings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagent set for 25 Hanna HI755 Marine Alkalinity Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343882788954,"sku":"HN-RDKH","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rdkh.jpg?v=1743181492"},{"product_id":"hanna-phosphate-checker-reagents-25-pack","title":"Hanna Phosphate Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphate Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Phosphate Checker Reagents - 25 Pack are replacement reagents for the Hanna HI713 Phosphate Low Range Checker, used to measure phosphate from low-range water samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI713 Phosphate Low Range Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI713 Phosphate Low Range Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 phosphate tests.\u003c\/li\u003e\n\u003cli\u003eUsed for samples in the 0.00 to 2.50 ppm phosphate range.\u003c\/li\u003e\n\u003cli\u003eUses the ascorbic acid method to produce a blue colour reaction.\u003c\/li\u003e\n\u003cli\u003ePre-measured packets help maintain consistent testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003ePhosphate Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI713-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI713 Phosphate Low Range Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: phosphate low range\u003c\/li\u003e\n\u003cli\u003eMethod: ascorbic acid method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Phosphate Reagents\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the sample, add the reagent packet, mix until dissolved, and read the sample according to the HI713 instructions. Keep cuvettes clean for accurate optical readings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e25 phosphate low range reagent packets\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343882821722,"sku":"HN-RPO4","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rpo4.jpg?v=1743181497"},{"product_id":"hanna-replacement-test-reagent-vial-4-pack","title":"Hanna Replacement Test Reagent Vial - 4 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Replacement Test Reagent Vial - 4 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Replacement Test Reagent Vial - 4 Pack is a set of replacement glass cuvettes for compatible Hanna Checker HC colorimeters and selected Hanna benchtop photometers.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI731321 Hanna Checker Cuvettes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOfficial Hanna replacement glass cuvette set.\u003c\/li\u003e\n\u003cli\u003eCompatible with HI7XX Checker HC colorimeters and HI832XX benchtop photometers.\u003c\/li\u003e\n\u003cli\u003eEach cuvette has a 10 mL level mark for correct sample volume.\u003c\/li\u003e\n\u003cli\u003eIndex mark helps align the cuvette properly in the photometer.\u003c\/li\u003e\n\u003cli\u003eOptically clear glass supports accurate colorimeter and photometer readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eReplacement Vial 4 Pack Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI731321\u003c\/li\u003e\n\u003cli\u003ePack size: 4 glass cuvettes\u003c\/li\u003e\n\u003cli\u003ePart type: replacement glass cuvettes\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI7XX Checker HC colorimeters and HI832XX benchtop photometers\u003c\/li\u003e\n\u003cli\u003eVolume mark: 10 mL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Replacement Cuvettes\u003c\/h2\u003e\n\u003cp\u003eUse clean cuvettes that are free from scratches, stains, fingerprints, and residue. Wipe the outside before each test and replace cuvettes that become damaged or optically unclear.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e4 replacement glass cuvettes\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343897436250,"sku":"HN-ZVIAL04","price":44.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-zvial04.jpg?v=1744649027"},{"product_id":"hanna-replacement-test-reagent-vial","title":"Hanna Replacement Test Reagent Vial","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Replacement Test Reagent Vial\u003c\/h1\u003e\n\u003cp\u003eHanna Replacement Test Reagent Vial is a single replacement glass cuvette for compatible Hanna Checker HC colorimeters, useful for replacing a scratched, stained, or misplaced testing vial.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eSingle Replacement Hanna Checker Vial\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSingle replacement vial parted from Hanna’s compatible cuvette supply.\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Hanna Checker HC colorimeters that use 16 mm glass cuvettes.\u003c\/li\u003e\n\u003cli\u003e10 mL level mark helps measure the correct sample volume.\u003c\/li\u003e\n\u003cli\u003eOptically clear glass supports consistent colorimeter readings.\u003c\/li\u003e\n\u003cli\u003eUseful when an original checker vial becomes scratched, stained, or difficult to clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eReplacement Vial Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI731321-1\u003c\/li\u003e\n\u003cli\u003ePack size: 1 vial\u003c\/li\u003e\n\u003cli\u003ePart type: replacement glass test vial \/ cuvette\u003c\/li\u003e\n\u003cli\u003eCompatibility: compatible Hanna Checker HC colorimeters using HI731321-style cuvettes\u003c\/li\u003e\n\u003cli\u003eVolume mark: 10 mL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing a Hanna Replacement Vial\u003c\/h2\u003e\n\u003cp\u003eKeep the vial clean, scratch-free, and free of fingerprints before each reading. Rinse after testing and avoid using damaged or cloudy glass because optical imperfections can affect colorimeter accuracy.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e1 replacement glass test vial\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343897469018,"sku":"HN-ZVIAL01","price":11.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-zvial01.jpg?v=1744649023"},{"product_id":"hanna-alkalinity-dkh-checker","title":"Hanna Alkalinity (dKH) Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Alkalinity (dKH) Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Alkalinity (dKH) Checker HI772 is a marine handheld colorimeter designed to measure alkalinity directly in degrees of carbonate hardness. It gives reef and saltwater aquarium keepers a digital dKH result, making alkalinity testing easier to read and repeat than traditional colour-comparison kits.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI772 Marine Alkalinity Testing\u003c\/h2\u003e\n\u003cp\u003eAlkalinity is one of the most important stability parameters in reef aquariums because it supports coral calcification and helps buffer pH. The HI772 measures from 0.0 to 20.0 dKH, covering the practical range needed for most marine and reef aquarium maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine dKH Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures saltwater alkalinity directly in dKH.\u003c\/li\u003e\n\u003cli\u003eDigital readout removes the difficulty of judging subtle colour changes.\u003c\/li\u003e\n\u003cli\u003e0.1 dKH resolution helps track aquarium stability and dosing adjustments.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for saltwater aquarium alkalinity testing.\u003c\/li\u003e\n\u003cli\u003eSimple one-button operation supports quick routine testing.\u003c\/li\u003e\n\u003cli\u003eCompact handheld format stores easily with reef testing supplies.\u003c\/li\u003e\n\u003cli\u003eUses the colorimetric method with a yellow to green to blue reaction range.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI772-26 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI772 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI772\u003c\/li\u003e\n\u003cli\u003eProduct type: marine alkalinity dKH handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.0 to 20.0 dKH\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 dKH\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.3 dKH ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: colorimetric method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI772-26\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI772-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Alkalinity Testing Notes\u003c\/h2\u003e\n\u003cp\u003eAlkalinity can change quickly in reef aquariums with growing coral, coralline algae, kalkwasser, two-part dosing, or calcium reactor use. Test consistently, keep cuvettes clean, and use the same testing routine each time for reliable trend tracking.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna dKH Checker\u003c\/h2\u003e\n\u003cp\u003eFill the cuvette with the saltwater sample, zero the checker, add the alkalinity reagent as directed, mix carefully, and read the dKH result on the display. Replace reagents with Hanna HI772-26 when the starter supply is used up.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI772 Marine Alkalinity dKH Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eAlkalinity reagent starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003eSyringe with tip\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343906742362,"sku":"HN-CKDH2","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ckdh2.jpg?v=1743200226"},{"product_id":"hanna-salinity-calibration-solution-25-pack","title":"Hanna Salinity Calibration Solution - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Salinity Calibration Solution - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Salinity Calibration Solution - 25 Pack provides single-use 35.00 ppt calibration sachets for Hanna marine salinity testers and compatible salinity meters.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003e35.00 ppt Salinity Calibration Sachets\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 35.00 ppt salinity calibration solution.\u003c\/li\u003e\n\u003cli\u003eDesigned for calibration of compatible Hanna salinity testers and meters.\u003c\/li\u003e\n\u003cli\u003eNIST traceable for confidence in calibration quality.\u003c\/li\u003e\n\u003cli\u003eSingle-use foil sachets help keep solution fresh until opened.\u003c\/li\u003e\n\u003cli\u003eEach sachet is marked with lot number and expiration date.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eSalinity Solution Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI70024P\u003c\/li\u003e\n\u003cli\u003eCalibration value: 35.00 ppt\u003c\/li\u003e\n\u003cli\u003ePack size: 25 sachets\u003c\/li\u003e\n\u003cli\u003eSachet volume: 20 mL each\u003c\/li\u003e\n\u003cli\u003eUse: salinity tester calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Salinity Calibration Solution\u003c\/h2\u003e\n\u003cp\u003eOpen a fresh sachet, calibrate the salinity tester according to the meter instructions, and discard used solution after calibration. Do not pour used solution back into the sachet or reuse it for future calibration.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e25 x 20 mL sachets of 35.00 ppt salinity calibration solution\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343955206234,"sku":"HN-RSAL","price":53.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rsal.jpg?v=1743201716"},{"product_id":"hanna-marine-salinity-tester","title":"Hanna Marine Salinity Tester","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Marine Salinity Tester\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Marine Salinity Tester HI98319 is a waterproof pocket tester for measuring salinity in saltwater aquariums, aquaculture, brackish water, and natural or artificial seawater. It measures conductivity and displays salinity and temperature digitally, offering a fast alternative to visual hydrometer or refractometer-style checks.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI98319 Digital Marine Salinity Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI98319 displays salinity in parts per thousand, Practical Salinity Units, or specific gravity, making it easy to match the preferred unit used for marine aquarium maintenance. Automatic temperature compensation helps improve consistency when water temperature changes during testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Salinity Tester Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures salinity digitally in ppt, PSU, or specific gravity.\u003c\/li\u003e\n\u003cli\u003eDisplays temperature along with the salinity reading.\u003c\/li\u003e\n\u003cli\u003eGraphite sensors help reduce polarization and oxidation issues.\u003c\/li\u003e\n\u003cli\u003eExposed temperature sensor provides faster temperature response.\u003c\/li\u003e\n\u003cli\u003eWaterproof pocket-sized body is designed for field or aquarium use.\u003c\/li\u003e\n\u003cli\u003eOn-screen stability indicator helps confirm when the reading is ready.\u003c\/li\u003e\n\u003cli\u003eSelectable auto-off helps conserve battery life.\u003c\/li\u003e\n\u003cli\u003eSingle-point calibration uses 35.00 ppt salinity standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI98319 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI98319\u003c\/li\u003e\n\u003cli\u003eProduct type: Marine salinity and temperature tester\u003c\/li\u003e\n\u003cli\u003eSalinity range: 0.0 to 70.0 ppt \/ 0.0 to 70.0 PSU \/ 1.000 to 1.041 specific gravity\u003c\/li\u003e\n\u003cli\u003eSalinity resolution: 0.1 ppt \/ 0.1 PSU \/ 0.001 specific gravity\u003c\/li\u003e\n\u003cli\u003eSalinity accuracy: ±1 ppt from 0.0 to 40.0 ppt and ±2 ppt over 40.0 ppt\u003c\/li\u003e\n\u003cli\u003eSpecific gravity accuracy: ±0.001\u003c\/li\u003e\n\u003cli\u003eTemperature compensation: Automatic from 5 to 50°C\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eBattery type: CR2032 3V Li-ion battery\u003c\/li\u003e\n\u003cli\u003eBattery life: Approximately 100 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 160 x 40 x 17 mm \/ 6.3 x 1.6 x 0.7 in\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI98319 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/_o2QELPYWPU\" title=\"How To Set Up and Calibrate the HI98319 Salinity Tester\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Marine Salinity Tester\u003c\/h2\u003e\n\u003cp\u003eCalibrate with the included salinity standard before use, immerse the probe in the sample, wait for the stability indicator, and read the salinity and temperature on the display. Rinse with clean water after testing and store the tester protected between uses.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI98319 Marine Salinity Tester\u003c\/li\u003e\n\u003cli\u003eCR2032 battery installed in the meter\u003c\/li\u003e\n\u003cli\u003eStorage and protection sleeve\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuality certificate\u003c\/li\u003e\n\u003cli\u003e35.00 ppt calibration standard sachets, 2 pcs\u003c\/li\u003e\n\u003cli\u003e5.00 ppt calibration standard sachets, 2 pcs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343955370074,"sku":"HN-CSAL","price":104.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-csal.jpg?v=1743527011"},{"product_id":"hanna-calcium-checker-reagents-25-pack","title":"Hanna Calcium Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Calcium Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Calcium Checker Reagents - 25 Pack are replacement reagents for the Hanna HI758 Marine Calcium Checker, used to test calcium levels in saltwater and reef aquariums.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI758 Calcium Checker Reagent Set\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI758 Marine Calcium Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 marine calcium tests.\u003c\/li\u003e\n\u003cli\u003eUses the Zincon method to produce the colour reaction read by the checker.\u003c\/li\u003e\n\u003cli\u003eHelps maintain regular calcium testing for reef aquariums and marine systems.\u003c\/li\u003e\n\u003cli\u003eUse with clean cuvettes and calcium-free distilled or deionized water as required by the HI758 test procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCalcium Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI758-26\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI758 Marine Calcium Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eUse: saltwater and reef aquarium calcium testing\u003c\/li\u003e\n\u003cli\u003eMethod: Zincon method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Calcium Checker Reagents\u003c\/h2\u003e\n\u003cp\u003eFollow the HI758 checker instructions exactly, measure reagents carefully, and avoid contaminating the sample or dilution water. Replace reagents when the set is used up or expired.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagent set for 25 Hanna HI758 Marine Calcium Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343964282970,"sku":"HN-RCAL","price":41.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rcal.jpg?v=1743202161"},{"product_id":"hanna-calcium-checker","title":"Hanna Calcium Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Calcium Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Calcium Checker HI758 is a handheld marine calcium colorimeter designed for saltwater aquariums and reef systems, giving a digital calcium result in ppm without relying on colour-chart matching. It is a practical upgrade from traditional titration-style calcium test kits for hobbyists who want a compact, single-parameter checker for monitoring one of the most important reef aquarium elements.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI758 Marine Calcium Testing\u003c\/h2\u003e\n\u003cp\u003eCalcium is essential for stony coral growth, coralline algae development, and the formation of calcium carbonate skeletons in reef aquariums. The HI758 is dedicated specifically to marine calcium testing and uses a fixed wavelength LED with a silicon photocell to measure the colour reaction produced by the reagent method, then displays the result directly on the checker screen.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCalcium Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDigital calcium reading helps remove the guesswork of visually matching colours on a test chart.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for saltwater aquarium calcium testing.\u003c\/li\u003e\n\u003cli\u003eCompact handheld format is easy to store, transport, and use near the aquarium.\u003c\/li\u003e\n\u003cli\u003eOne-button operation keeps testing simple for routine reef maintenance.\u003c\/li\u003e\n\u003cli\u003eLED light source and silicon photocell provide colorimeter-style measurement in a small checker format.\u003c\/li\u003e\n\u003cli\u003eMeasures calcium from 200 to 600 ppm, covering the practical range used in most marine and reef aquariums.\u003c\/li\u003e\n\u003cli\u003e1 ppm resolution gives a more precise displayed result than many basic hobby test kits.\u003c\/li\u003e\n\u003cli\u003eUses the Zincon method with Hanna HI758-26 replacement reagents.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off after ten minutes of non-use helps conserve battery life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI758 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI758\u003c\/li\u003e\n\u003cli\u003eProduct type: Marine calcium handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 200 to 600 ppm calcium\u003c\/li\u003e\n\u003cli\u003eResolution: 1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±6 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Adaptation of the Zincon method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eRecommended use: Saltwater and reef aquarium calcium testing\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eImportant Testing Notes for the Hanna Calcium Checker\u003c\/h2\u003e\n\u003cp\u003eThe HI758 uses a 100 to 1 dilution during testing, so calcium-free distilled or deionized water is required for accurate results. Hanna notes that tap water, saltwater, or some home RO\/DI water can contain enough calcium to cause falsely high readings, especially if used for the dilution step or to clean cuvettes. For best results, use pure vapor distilled water or low-conductivity deionized water, keep cuvettes clean, and avoid contaminating the sample with excess saltwater on the pipette tip.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI758 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/OG1cliQjDZk\" title=\"How to Use the HI758 Marine Calcium Checker\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Calcium Checker\u003c\/h2\u003e\n\u003cp\u003eFollow the included instructions and quick start guide carefully, using calcium-free distilled or deionized water for the dilution step. Keep the glass cuvettes clean and free of fingerprints, rinse only with suitable calcium-free water, measure reagents accurately, and replace reagents with Hanna HI758-26 Marine Calcium Checker reagents when the starter supply is used up.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI758 Marine Calcium Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eMarine calcium reagent starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003e100 µL pipette\u003c\/li\u003e\n\u003cli\u003eSyringe with tip\u003c\/li\u003e\n\u003cli\u003ePlastic pipette\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343964643418,"sku":"HN-CCAL","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ccal.jpg?v=1743187393"},{"product_id":"hanna-copper-checker-reagents-25-pack","title":"Hanna Copper Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Copper Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Copper Checker Reagents - 25 Pack are replacement reagents for the Hanna HI702 Copper High Range Checker, used to measure copper in freshwater or saltwater samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI702 Copper High Range Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI702 Copper High Range Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagent for 25 copper high range tests.\u003c\/li\u003e\n\u003cli\u003eUses the bicinchoninate method to produce a purple colour reaction.\u003c\/li\u003e\n\u003cli\u003eUseful for monitoring higher copper ranges with the HI702 checker.\u003c\/li\u003e\n\u003cli\u003ePre-measured packets help keep testing consistent and convenient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCopper Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI702-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI702 Copper High Range Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: copper high range\u003c\/li\u003e\n\u003cli\u003eMethod: bicinchoninate method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Copper Reagents\u003c\/h2\u003e\n\u003cp\u003eAdd the reagent to the prepared sample according to the HI702 instructions, mix fully, and keep the cuvette clean and free of fingerprints before taking the digital reading.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e25 copper high range reagent packets\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343976112218,"sku":"HN-RCOP","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rcop.jpg?v=1743202517"},{"product_id":"hanna-copper-high-range-checker","title":"Hanna Copper High Range Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Copper High Range Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Copper High Range Checker HI702 is a compact handheld colorimeter for measuring copper from 0.00 to 5.00 ppm, giving a direct digital result without relying on colour-chart matching. It is useful for aquarists and water-quality users who need repeatable copper readings in higher copper ranges, including situations where copper-based treatment levels or source water concerns need to be monitored closely.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI702 High Range Copper Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI702 bridges the gap between basic colour-comparison test kits and larger laboratory instruments. Its single-parameter design keeps operation simple, while the 0.01 ppm resolution helps make copper tracking easier when precise treatment or water-quality decisions depend on a reliable reading.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCopper High Range Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures copper from 0.00 to 5.00 ppm.\u003c\/li\u003e\n\u003cli\u003eDigital colorimeter removes the guesswork of matching sample colour to a printed chart.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps track changes in copper level more clearly than many basic test kits.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the EPA bicinchoninate method, where copper reaction produces a purple tint in the sample.\u003c\/li\u003e\n\u003cli\u003eCompact pocket-sized design is easy to store near testing supplies.\u003c\/li\u003e\n\u003cli\u003eOne-button operation keeps routine testing straightforward.\u003c\/li\u003e\n\u003cli\u003eBuilt-in auto shut-off helps preserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI702-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI702 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI702\u003c\/li\u003e\n\u003cli\u003eProduct type: high range copper handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 5.00 ppm copper\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.05 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 575 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of the EPA bicinchoninate method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI702-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI702-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eImportant Copper Testing Notes\u003c\/h2\u003e\n\u003cp\u003eCopper can be harmful to many aquatic organisms, especially invertebrates, so copper testing should be matched to the intended application. Use clean cuvettes, avoid fingerprints or bubbles on the glass, follow Hanna’s timing and reagent instructions exactly, and never use copper treatment in systems where it is unsafe for the livestock or aquarium materials present.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Copper High Range Checker\u003c\/h2\u003e\n\u003cp\u003eFill the cuvette with the required sample, zero the checker, add the HI702 reagent as directed, mix carefully, and insert the prepared cuvette for the digital copper reading. Use fresh reagents and clean glassware for the most consistent results.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI702 Copper High Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eCopper HR reagent starter kit for 6 tests\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343976144986,"sku":"HN-CCOP","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ccop.jpg?v=1743187448"},{"product_id":"hanna-low-range-nitrate-checker","title":"Hanna Low Range Nitrate Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Low Range Nitrate Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Low Range Nitrate Checker HI781 is a marine handheld colorimeter designed to measure low nitrate levels in saltwater aquariums with a clear digital readout instead of visual colour matching. It is built for reef keepers who want more precise low-range nitrate tracking for nutrient management, coral colour, algae control, and overall aquarium stability.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI781 Marine Nitrate Low Range Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI781 measures nitrate from 0.00 to 5.00 ppm as NO3 and can also be used for 0.0 to 50.0 ppm calculated results when the approved dilution procedure is followed. This makes it useful for low-nutrient reef systems as well as aquariums that occasionally test above the direct low-range limit.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eLow Range Nitrate Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for saltwater aquarium and marine biology applications.\u003c\/li\u003e\n\u003cli\u003eDigital result removes the guesswork of matching pink or violet colour shades by eye.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps track small nitrate changes in reef aquariums.\u003c\/li\u003e\n\u003cli\u003eBuilt-in timer helps keep the multi-step testing process on schedule.\u003c\/li\u003e\n\u003cli\u003eUses a colorimetric method with a 525 nm LED and silicon photocell.\u003c\/li\u003e\n\u003cli\u003eIncludes filtration accessories, syringes, vial, pipette, and starter reagents for proper sample preparation.\u003c\/li\u003e\n\u003cli\u003eCompact Checker HC format is easy to store with other marine test equipment.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI781-25 Marine Nitrate Low Range replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI781 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI781\u003c\/li\u003e\n\u003cli\u003eProduct type: Marine nitrate low range handheld colorimeter\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 5.00 ppm as NO3\u003c\/li\u003e\n\u003cli\u003eDilution range: 0.0 to 50.0 ppm calculated using approved dilution\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.25 ppm ±2% of reading\u003c\/li\u003e\n\u003cli\u003eAccuracy with dilution: ±2.5 ppm ±5% of calculated reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI781-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI781 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/wQIlb-D8gC8\" title=\"How to Use the HI781 Marine Nitrate Low Range Checker\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Low Range Nitrate Checker\u003c\/h2\u003e\n\u003cp\u003eFollow Hanna’s sample preparation steps carefully, keep cuvettes clean and free of fingerprints, and use the supplied filtration and syringe accessories as directed. For samples above 5.00 ppm nitrate, follow Hanna’s dilution procedure rather than reading outside the direct measurement range.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI781 Marine Nitrate Low Range Checker in case with custom insert\u003c\/li\u003e\n\u003cli\u003eMarine Nitrate Low Range reagent starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003e25 filter papers\u003c\/li\u003e\n\u003cli\u003eFilter holder\u003c\/li\u003e\n\u003cli\u003eMixing vial with cap\u003c\/li\u003e\n\u003cli\u003e5 mL syringe with tip\u003c\/li\u003e\n\u003cli\u003e10 mL syringe\u003c\/li\u003e\n\u003cli\u003e1 mL graduated syringe\u003c\/li\u003e\n\u003cli\u003ePlastic refilling pipette\u003c\/li\u003e\n\u003cli\u003e16 gauge blunt needle\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343984042074,"sku":"HN-CKNO3L","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ckno3.jpg?v=1743202841"},{"product_id":"hanna-low-range-nitrate-checker-reagents-25-pack","title":"Hanna Low Range Nitrate Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Low Range Nitrate Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Low Range Nitrate Checker Reagents - 25 Pack are replacement reagents for the Hanna HI781 Marine Nitrate Low Range Checker, used for low-range nitrate testing in saltwater aquariums.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI781 Marine Nitrate Low Range Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI781 Marine Nitrate Low Range Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 marine nitrate low range tests.\u003c\/li\u003e\n\u003cli\u003eDeveloped for use with seawater samples.\u003c\/li\u003e\n\u003cli\u003eProduces a pink\/violet colour reaction read by the checker.\u003c\/li\u003e\n\u003cli\u003eUseful for reef aquariums where low nitrate levels need to be monitored closely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eLow Range Nitrate Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI781-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI781 Marine Nitrate Low Range Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine nitrate low range\u003c\/li\u003e\n\u003cli\u003eUse: saltwater samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Low Range Nitrate Reagents\u003c\/h2\u003e\n\u003cp\u003eFollow the HI781 sample preparation steps carefully and use the checker’s filtration and timing procedure as directed. Keep all glassware clean and replace reagents when expired.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagents for 25 Hanna HI781 Marine Nitrate Low Range Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343984107610,"sku":"HN-RNO3","price":24.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rno3.jpg?v=1743202871"},{"product_id":"hanna-marine-ph-checker","title":"Hanna Marine pH Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Marine pH Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Marine pH Checker HI780 is a handheld colorimeter designed for measuring pH in saltwater aquariums from 6.3 to 8.6 pH. It provides a digital reading that removes the guesswork of judging subtle colour changes on traditional pH test kits.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI780 Saltwater pH Testing\u003c\/h2\u003e\n\u003cp\u003epH is an important stability parameter in marine aquariums, especially in reef systems where alkalinity, gas exchange, photosynthesis, and room CO2 can all influence daily pH patterns. The HI780 is designed specifically for marine pH testing and gives a quick digital result in a compact checker format.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine pH Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures marine pH from 6.3 to 8.6 pH.\u003c\/li\u003e\n\u003cli\u003eDigital readout helps reduce subjective colour interpretation.\u003c\/li\u003e\n\u003cli\u003e0.1 pH resolution is suitable for routine saltwater aquarium monitoring.\u003c\/li\u003e\n\u003cli\u003eUses a colorimetric adaptation of the Phenol Red method.\u003c\/li\u003e\n\u003cli\u003eCompact checker body fits easily in a test kit area or aquarium cabinet.\u003c\/li\u003e\n\u003cli\u003eOne-button operation keeps routine testing simple.\u003c\/li\u003e\n\u003cli\u003eDelivered in a case with custom insert for organized storage.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI780-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI780 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI780\u003c\/li\u003e\n\u003cli\u003eProduct type: marine pH handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 6.3 to 8.6 pH\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.2 pH of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: colorimetric adaptation of the Phenol Red method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI780-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI780-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine pH Testing Notes\u003c\/h2\u003e\n\u003cp\u003epH naturally changes during the day in many aquariums, so compare readings taken at similar times for better trend tracking. Keep cuvettes clean and avoid testing errors caused by fingerprints, bubbles, or residue inside the glass.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Marine pH Checker\u003c\/h2\u003e\n\u003cp\u003eFill the cuvette with the saltwater sample, zero the checker, add the Marine pH reagent as directed, mix carefully, and read the pH value on the digital display. Use Hanna HI780-25 reagents for replacement testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI780 Marine pH Checker in case with custom insert\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eMarine pH reagent starter kit\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343994331226,"sku":"HN-CKMPH","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ckmph.jpg?v=1743203407"},{"product_id":"hanna-nitrate-checker","title":"Hanna Nitrate Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Nitrate Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Nitrate Checker HI782 is a Marine Nitrate High Range handheld colorimeter for measuring nitrate from 0.0 to 75.0 ppm as NO3 in saltwater aquariums. It is designed for marine systems where nitrate levels may be higher than the ultra-low ranges targeted by dedicated low-range nitrate checkers.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI782 Marine Nitrate High Range Testing\u003c\/h2\u003e\n\u003cp\u003eNitrate is the final step of the nitrogen cycle and can contribute to nuisance algae, dinoflagellate issues, and general nutrient imbalance when it climbs too high. The HI782 gives saltwater aquarists a direct digital nitrate reading for fish-only systems, mixed reefs, and marine aquariums that need routine nutrient monitoring.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Nitrate Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures marine nitrate from 0.0 to 75.0 ppm as NO3.\u003c\/li\u003e\n\u003cli\u003eDesigned for saltwater samples and marine biology applications.\u003c\/li\u003e\n\u003cli\u003e0.1 ppm resolution helps track nutrient trends over time.\u003c\/li\u003e\n\u003cli\u003eDigital display removes the challenge of visually judging pink colour shades.\u003c\/li\u003e\n\u003cli\u003eUses the zinc reduction method, where nitrate reaction produces a pink tint in the sample.\u003c\/li\u003e\n\u003cli\u003eRequires only one reagent for less complex high-range nitrate testing.\u003c\/li\u003e\n\u003cli\u003eCompact handheld checker is convenient for regular aquarium maintenance.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI782-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI782 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI782\u003c\/li\u003e\n\u003cli\u003eProduct type: marine nitrate high range handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.0 to 75.0 ppm as NO3\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±2.0 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: zinc reduction method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI782-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI782-11\u003c\/li\u003e\n\u003cli\u003eRecommended use: saltwater aquariums and marine nitrate testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Nitrate Testing Notes\u003c\/h2\u003e\n\u003cp\u003eThe HI782 is a high-range marine nitrate checker. For very low nutrient reef systems, Hanna’s low-range marine nitrate checker may be more appropriate. Use the HI782 when nitrate is expected within its 0.0 to 75.0 ppm range and follow sample preparation carefully to avoid testing errors.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Nitrate Checker\u003c\/h2\u003e\n\u003cp\u003ePrepare the saltwater sample with the included reagent as directed, keep the cuvette clean and bubble-free, and read the nitrate value on the digital display. Replace reagents with Hanna HI782-25 when the starter supply is used up.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI782 Marine Nitrate High Range Checker in case with custom insert\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eMarine Nitrate High Range reagent starter kit for 10 tests\u003c\/li\u003e\n\u003cli\u003e3 mL Pasteur pipette\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343994495066,"sku":"HN-CKNO3","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-ckno3h.jpg?v=1743180895"},{"product_id":"hanna-marine-ph-checker-reagent","title":"Hanna Marine pH Checker Reagent","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Marine pH Checker Reagent\u003c\/h1\u003e\n\u003cp\u003eHanna Marine pH Checker Reagent HI780-25 is the replacement reagent for the Hanna HI780 Marine pH Checker, used to measure pH in saltwater aquarium samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI780 Marine pH Reagent\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI780 Marine pH Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagent for 100 marine pH tests.\u003c\/li\u003e\n\u003cli\u003eUses the Phenol Red method to create a pH-dependent colour reaction.\u003c\/li\u003e\n\u003cli\u003eSimple liquid reagent format uses 5 drops per test according to Hanna’s procedure.\u003c\/li\u003e\n\u003cli\u003eUseful for routine pH monitoring in marine and reef aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine pH Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI780-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI780 Marine pH Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 100 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine pH\u003c\/li\u003e\n\u003cli\u003eMethod: Phenol Red method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Marine pH Reagent\u003c\/h2\u003e\n\u003cp\u003eAdd 5 drops of reagent to the prepared sample as directed by the HI780 instructions, mix carefully, and read the result with clean, dry cuvettes.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eMarine pH reagent for 100 Hanna HI780 Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343994527834,"sku":"HN-RMPH","price":24.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rmph.jpg?v=1743203415"},{"product_id":"hanna-nitrate-checker-reagents-25-pack","title":"Hanna Nitrate Checker Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Nitrate Checker Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Nitrate Checker Reagents - 25 Pack are replacement reagents for the Hanna HI782 Marine Nitrate High Range Checker, used to test nitrate in saltwater aquariums.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI782 Marine Nitrate High Range Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI782 Marine Nitrate High Range Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 marine nitrate tests.\u003c\/li\u003e\n\u003cli\u003eUsed with saltwater samples in the 0.0 to 75.0 ppm nitrate range.\u003c\/li\u003e\n\u003cli\u003eDisplays results as nitrate in ppm when used with the compatible checker.\u003c\/li\u003e\n\u003cli\u003eUseful for fish-only, mixed reef, and marine aquarium nutrient monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eNitrate Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI782-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI782 Marine Nitrate High Range Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine nitrate high range\u003c\/li\u003e\n\u003cli\u003eUse: saltwater samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Nitrate Reagents\u003c\/h2\u003e\n\u003cp\u003ePrepare the saltwater sample according to the HI782 instructions, add reagent as directed, and keep the cuvette clean and bubble-free before reading.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagents for 25 Hanna HI782 Marine Nitrate High Range Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41343994626138,"sku":"HN-RNO3H","price":24.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-rno3h.jpg?v=1743203418"},{"product_id":"hanna-magnesium-checker","title":"Hanna Magnesium Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Magnesium Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Magnesium Checker HI783 is a marine handheld colorimeter designed to measure magnesium from 1000 to 1800 ppm in saltwater aquariums. It provides a digital magnesium result for reef keepers who want easier, more repeatable testing than traditional colour-comparison or titration-style magnesium kits.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI783 Marine Magnesium Testing\u003c\/h2\u003e\n\u003cp\u003eMagnesium helps stabilize the relationship between calcium and alkalinity in reef aquariums and supports balanced carbonate chemistry. The HI783 is designed specifically for saltwater aquarium and marine biology applications, with a range suited to typical reef and marine maintenance levels.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Magnesium Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures magnesium from 1000 to 1800 ppm.\u003c\/li\u003e\n\u003cli\u003e5 ppm resolution provides clear digital trend tracking.\u003c\/li\u003e\n\u003cli\u003eDigital readout eliminates visual colour matching.\u003c\/li\u003e\n\u003cli\u003eDesigned for saltwater aquarium magnesium testing.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the colorimetric EDTA method with calmagite indicator.\u003c\/li\u003e\n\u003cli\u003eColour-coded syringes help make the test process easier to follow.\u003c\/li\u003e\n\u003cli\u003eLarge LCD screen provides an easy-to-read result.\u003c\/li\u003e\n\u003cli\u003eIncludes protective case for organized storage.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI783-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI783 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI783\u003c\/li\u003e\n\u003cli\u003eProduct type: marine magnesium handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 1000 to 1800 ppm magnesium\u003c\/li\u003e\n\u003cli\u003eResolution: 5 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: colorimetric EDTA method using calmagite indicator\u003c\/li\u003e\n\u003cli\u003eBattery type: 1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after 10 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003ePrepared sample temperature: 22 to 28°C \/ 72 to 82°F\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI783-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI783-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Magnesium Testing Notes\u003c\/h2\u003e\n\u003cp\u003eFor best results, keep the prepared sample within Hanna’s required temperature range and use the supplied syringes as directed. Clean cuvettes carefully, avoid fingerprints and bubbles, and test consistently when adjusting magnesium, calcium, or alkalinity supplementation.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Magnesium Checker\u003c\/h2\u003e\n\u003cp\u003ePrepare the saltwater sample using the included syringes and HI783 reagents, insert the clean cuvette as directed, and read the magnesium value on the digital display. Replace reagents with Hanna HI783-25 when the included test supply is used up.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI783 Marine Magnesium Checker with protective case\u003c\/li\u003e\n\u003cli\u003eMarine magnesium reagent set for 25 tests\u003c\/li\u003e\n\u003cli\u003e2 glass cuvettes with caps\u003c\/li\u003e\n\u003cli\u003e5 mL syringe with tip and black printing\u003c\/li\u003e\n\u003cli\u003e5 mL syringe with tip and blue printing\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41344127107162,"sku":"HN-CKMAG","price":79.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/magnesiumchecker_1.jpg?v=1743187464"},{"product_id":"hanna-magnesium-checker-reagent","title":"Hanna Magnesium Checker Reagent","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Magnesium Checker Reagent\u003c\/h1\u003e\n\u003cp\u003eHanna Magnesium Checker Reagent HI783-25 is the replacement reagent set for the Hanna HI783 Marine Magnesium Checker, used to test magnesium in saltwater and reef aquarium samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI783 Marine Magnesium Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI783 Marine Magnesium Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 marine magnesium tests.\u003c\/li\u003e\n\u003cli\u003eUsed for saltwater magnesium testing in reef aquariums and marine systems.\u003c\/li\u003e\n\u003cli\u003ePrepared with high-purity chemicals for consistent test results.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMagnesium Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI783-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI783 Marine Magnesium Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine magnesium\u003c\/li\u003e\n\u003cli\u003eUse: saltwater and reef aquarium testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Magnesium Reagents\u003c\/h2\u003e\n\u003cp\u003eUse the reagents with the HI783 checker procedure and the required syringes or accessories. Keep cuvettes clean, follow reagent timing carefully, and replace expired reagents for best accuracy.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagent set for 25 Hanna HI783 Marine Magnesium Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41344127238234,"sku":"HN-RMAG","price":24.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/magnesiumreagents_1.jpg?v=1743186254"},{"product_id":"hanna-ammonia-checker-freshwater","title":"Hanna Ammonia Checker - Freshwater","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Ammonia Checker - Freshwater\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Ammonia Checker - Freshwater HI700 is a low range handheld colorimeter for measuring ammonia in freshwater from 0.00 to 3.00 ppm as NH3-N. It gives a direct digital result, making ammonia testing easier to read than traditional colour-card freshwater ammonia kits.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI700 Freshwater Ammonia Testing\u003c\/h2\u003e\n\u003cp\u003eAmmonia is toxic to aquatic life and is especially important to monitor in new aquariums, quarantine systems, overstocked tanks, and systems experiencing biological filter disruption. The HI700 is for freshwater samples only and helps provide clear digital readings during routine aquarium checks.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Ammonia Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures freshwater ammonia from 0.00 to 3.00 ppm as NH3-N.\u003c\/li\u003e\n\u003cli\u003eDigital display removes the uncertainty of matching yellow colour shades by eye.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps monitor low-level ammonia changes.\u003c\/li\u003e\n\u003cli\u003eDesigned for freshwater samples only.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the Nessler method, where the reaction causes a yellow tint in the sample.\u003c\/li\u003e\n\u003cli\u003eCompact handheld design is convenient for aquarium maintenance routines.\u003c\/li\u003e\n\u003cli\u003eOne-button operation keeps testing straightforward.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI700-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI700 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI700\u003c\/li\u003e\n\u003cli\u003eProduct type: freshwater low range ammonia handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 3.00 ppm NH3-N\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.05 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 470 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of ASTM D1426-92 Nessler method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI700-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI700-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Ammonia Testing Notes\u003c\/h2\u003e\n\u003cp\u003eUse the HI700 only with freshwater samples. Test during cycling, after livestock additions, after medication or filter maintenance, and any time fish show signs of stress. Always interpret ammonia results alongside pH, temperature, and overall aquarium condition.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Freshwater Ammonia Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the freshwater sample, add the HI700 reagents according to Hanna’s instructions, mix carefully, and read the ammonia result on the digital display. Replace reagents with Hanna HI700-25 when needed.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI700 Freshwater Low Range Ammonia Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eAmmonia LR reagent starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41344196935770,"sku":"HN-CKNH3","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/ammonia700_1.jpg?v=1743204621"},{"product_id":"hanna-phosphorus-checker-low-range","title":"Hanna Phosphorus Checker - Low Range","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphorus Checker - Low Range\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Phosphorus Checker - Low Range HI736 is a marine ultra-low range phosphorus colorimeter for saltwater aquariums, giving a digital result in parts per billion rather than relying on visual colour comparison. It is a strong choice for reef aquariums where very low nutrient levels need to be monitored with better resolution than standard phosphate test kits.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI736 Ultra Low Range Phosphorus Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI736 measures phosphorus from 0 to 200 ppb with 1 ppb resolution. Because many reef keepers track phosphate rather than phosphorus, the HI736 result can be converted to ppm phosphate by multiplying ppb phosphorus by 3.066 and dividing by 1000.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eLow Range Phosphorus Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for saltwater aquariums and marine applications.\u003c\/li\u003e\n\u003cli\u003eMeasures ultra-low phosphorus levels for reef nutrient control.\u003c\/li\u003e\n\u003cli\u003eDigital readout reduces visual interpretation errors.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the ascorbic acid method.\u003c\/li\u003e\n\u003cli\u003eDedicated single-parameter checker keeps testing simple and repeatable.\u003c\/li\u003e\n\u003cli\u003eCompact handheld format stores easily with reef test kits.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI736-25 Marine Phosphorus ULR replacement reagents.\u003c\/li\u003e\n\u003cli\u003eCalibration check set HI736-11 is available separately for validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI736 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI736\u003c\/li\u003e\n\u003cli\u003eProduct type: Marine phosphorus ultra low range handheld colorimeter\u003c\/li\u003e\n\u003cli\u003eRange: 0 to 200 ppb phosphorus\u003c\/li\u003e\n\u003cli\u003eResolution: 1 ppb\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±5 ppb ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Adaptation of the ascorbic acid method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After two minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI736-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI736 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/QOZqB4qMayw\" title=\"How-To Use the Hanna HI736 Phosphorus Checker\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Low Range Phosphorus Checker\u003c\/h2\u003e\n\u003cp\u003eUse clean saltwater samples, keep cuvettes free of fingerprints and bubbles, and follow Hanna’s reagent timing carefully. Compare results consistently over time, especially when adjusting feeding, phosphate media, refugium growth, or other nutrient export methods.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI736 Phosphorus Ultra Low Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eMarine phosphorus ULR reagent starter kit for 6 tests\u003c\/li\u003e\n\u003cli\u003eBattery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399052632154,"sku":"HN-CPHOS","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-cphos_78c7979a-81ac-4e54-8ee6-1e13fc75b6a8.jpg?v=1743204651"},{"product_id":"hanna-phosphate-checker-low-range","title":"Hanna Phosphate Checker - Low Range","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphate Checker - Low Range\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Phosphate Checker - Low Range HI713 is a compact handheld colorimeter for measuring phosphate from 0.00 to 2.50 ppm. It gives a direct digital phosphate result, making it easier to monitor aquarium and water-quality conditions without relying on visual colour matching.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI713 Low Range Phosphate Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI713 is designed for low range phosphate testing in applications where phosphate is expected within the 0.00 to 2.50 ppm range. For reef aquariums that need ultra-low phosphate tracking, a marine ultra-low range phosphate or phosphorus checker may be more appropriate.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eLow Range Phosphate Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures phosphate from 0.00 to 2.50 ppm.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps track changes clearly.\u003c\/li\u003e\n\u003cli\u003eDigital colorimeter result reduces human colour interpretation error.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the ascorbic acid method.\u003c\/li\u003e\n\u003cli\u003eSimple one-button checker format is easy to use for routine testing.\u003c\/li\u003e\n\u003cli\u003eCompact handheld design stores easily with aquarium test equipment.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI713-25 replacement reagents.\u003c\/li\u003e\n\u003cli\u003eCalibration check set HI713-11 is available separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI713 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI713\u003c\/li\u003e\n\u003cli\u003eProduct type: Low range phosphate handheld colorimeter\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 2.50 ppm phosphate\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.04 ppm ±4% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Adaptation of the ascorbic acid method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After two minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI713-25 for 25 tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI713 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/kST09KWv9C0\" title=\"HI713 Phosphate Checker HC\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Low Range Phosphate Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the sample, add the HI713 reagent packet, mix until dissolved, and read the phosphate result on the display. Keep cuvettes clean and use fresh reagents for consistent testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI713 Phosphate Low Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003ePhosphate LR reagent starter kit for 6 tests\u003c\/li\u003e\n\u003cli\u003eBattery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399052664922,"sku":"HN-CPO4","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hn-cpo4_00ddac5d-3910-4d8d-9c64-3e25bb4217aa.jpg?v=1743192691"},{"product_id":"hanna-marine-multiparameter-photometer","title":"Hanna Marine Multiparameter Photometer","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Marine Multiparameter Photometer\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Marine Multiparameter Photometer HI97115C is a complete marine testing photometer kit for reef and saltwater aquariums, designed to measure key parameters including pH, alkalinity, ammonia, calcium, magnesium, nitrate, nitrite, and phosphate. It combines multiple Hanna marine colorimeter methods into one waterproof wireless instrument with app connectivity and guided testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI97115C Marine Master Testing System\u003c\/h2\u003e\n\u003cp\u003eThe Marine Master can be used as a standalone photometer or connected to the Hanna Lab App through Bluetooth for data logging, notes, export, and tank-based result tracking. Built-in tutorial mode guides users through sample preparation, reagent steps, and method selection, making it easier to run multiple marine tests from one instrument.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Master Photometer Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTests major saltwater parameters with one compact photometer.\u003c\/li\u003e\n\u003cli\u003eBluetooth connectivity works with the Hanna Lab App for tracking and exporting results.\u003c\/li\u003e\n\u003cli\u003eOn-screen tutorial mode provides step-by-step testing guidance.\u003c\/li\u003e\n\u003cli\u003eCAL Check feature supports performance verification and calibration.\u003c\/li\u003e\n\u003cli\u003eStores the last 200 measurements for review.\u003c\/li\u003e\n\u003cli\u003eSupports up to 25 tank or reading-location profiles.\u003c\/li\u003e\n\u003cli\u003eAdvanced optical system uses LED light sources and narrow band interference filters.\u003c\/li\u003e\n\u003cli\u003ePositive cuvette locking system helps place cuvettes in the same position each time.\u003c\/li\u003e\n\u003cli\u003eBacklit display supports easier bench or field reading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Master Parameters\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH range: 6.3 to 8.6 pH with 0.1 pH resolution\u003c\/li\u003e\n\u003cli\u003eAlkalinity range: 0.0 to 20.0 dKH with 0.1 dKH resolution\u003c\/li\u003e\n\u003cli\u003eAmmonia range: 0.00 to 2.50 ppm as NH3 with 0.01 ppm resolution\u003c\/li\u003e\n\u003cli\u003eCalcium range: 200 to 600 ppm with 1 ppm resolution\u003c\/li\u003e\n\u003cli\u003eMagnesium range: 1000 to 1800 ppm with 5 ppm resolution\u003c\/li\u003e\n\u003cli\u003eNitrate low range: 0.00 to 5.00 ppm as NO3 with 0.01 ppm resolution\u003c\/li\u003e\n\u003cli\u003eNitrate high range: 0.0 to 75.0 ppm as NO3 with 0.1 ppm resolution\u003c\/li\u003e\n\u003cli\u003eNitrite ultra low range: 0 to 200 ppb as NO2-N with 1 ppb resolution\u003c\/li\u003e\n\u003cli\u003ePhosphate ultra low range: 0.00 to 0.90 ppm with 0.01 ppm resolution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI97115 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/MF659L4yjqc\" title=\"Hanna Instruments Marine Master HI97115 Overview\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Marine Multiparameter Photometer\u003c\/h2\u003e\n\u003cp\u003eSelect the desired method, follow the on-screen tutorial or manual instructions, prepare the sample with the correct reagent set, and read the result on the display or in the Hanna Lab App. Use clean cuvettes, wipe glass before reading, and keep reagents organized by parameter for consistent marine testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI97115 Marine Master Photometer kit\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes\u003c\/li\u003e\n\u003cli\u003e2 sample cuvette caps\u003c\/li\u003e\n\u003cli\u003eMarine pH reagent, 30 mL dropper\u003c\/li\u003e\n\u003cli\u003eMarine alkalinity reagent, 30 mL\u003c\/li\u003e\n\u003cli\u003eMarine ammonia starter kit\u003c\/li\u003e\n\u003cli\u003eMarine calcium starter kit\u003c\/li\u003e\n\u003cli\u003eMarine magnesium starter kit\u003c\/li\u003e\n\u003cli\u003eMarine nitrate high range starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003eMarine nitrite ultra low range starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003eMarine phosphate ultra low range starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003e2 x 1 mL graduated syringes with tips\u003c\/li\u003e\n\u003cli\u003eMinipipette with tip\u003c\/li\u003e\n\u003cli\u003e2 x 3 mL Pasteur pipettes\u003c\/li\u003e\n\u003cli\u003e3 x 1.5V AA alkaline batteries\u003c\/li\u003e\n\u003cli\u003eCuvette wiping cloth\u003c\/li\u003e\n\u003cli\u003eScissors\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eQuick reference guide with manual download instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399133241434,"sku":"HN-MMK","price":575.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/marinemasterkit_1_043851c4-fb6e-44b1-bf36-468772824008.jpg?v=1743205203"},{"product_id":"hanna-ammonia-checker-marine","title":"Hanna Ammonia Checker - Marine","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Ammonia Checker - Marine\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Ammonia Checker - Marine HI784 is a handheld colorimeter designed for measuring ammonia in saltwater aquariums from 0.00 to 2.50 ppm NH3. It gives a digital result for marine aquarists who need clearer ammonia readings than standard colour-matching kits can provide.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI784 Marine Ammonia Testing\u003c\/h2\u003e\n\u003cp\u003eAmmonia can be dangerous in saltwater aquariums, especially in new systems, quarantine tanks, shipping stress situations, emergency holding systems, and aquariums with biological filtration disruption. The HI784 is designed for marine samples and uses a salicylate method suited to saltwater testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Ammonia Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures marine ammonia from 0.00 to 2.50 ppm NH3.\u003c\/li\u003e\n\u003cli\u003eDigital display reduces visual interpretation errors from colour charts.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps monitor low-level ammonia changes.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for saltwater aquarium samples.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the salicylate method, where ammonia and ammonium reaction creates a blue-green tint.\u003c\/li\u003e\n\u003cli\u003eCompact handheld checker is convenient for aquarium maintenance and emergency testing.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off helps preserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI784-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI784 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI784\u003c\/li\u003e\n\u003cli\u003eProduct type: marine ammonia handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 2.50 ppm \/ mg\/L NH3\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.05 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of the salicylate method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after 20 minutes of non-use and 10 minutes after reading\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003ePrepared sample temperature: 18 to 29°C \/ 65 to 85°F\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI784-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI784-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Ammonia Testing Notes\u003c\/h2\u003e\n\u003cp\u003eKeep the prepared sample within Hanna’s stated temperature range and test saltwater samples only. Ammonia readings should be considered alongside pH, temperature, livestock behaviour, and system history, especially in quarantine or newly established marine aquariums.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Marine Ammonia Checker\u003c\/h2\u003e\n\u003cp\u003ePrepare the sample with the HI784 reagents as directed, keep the cuvettes clean and dry on the outside, and read the result on the checker display. Use Hanna HI784-25 replacement reagents when the starter reagents are finished.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI784 Marine Ammonia Checker in case with custom insert\u003c\/li\u003e\n\u003cli\u003eMarine ammonia reagent starter kit for 10 tests\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003ePlastic refilling pipette\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399160602714,"sku":"HN-CKNH3M","price":79.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/ammoniachecker_1_1_37c2f5be-0ff8-477f-9ec5-2635ad7a57dd.jpg?v=1743205223"},{"product_id":"hanna-ammonia-checker-reagent-marine","title":"Hanna Ammonia Checker Reagent - Marine","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Ammonia Checker Reagent - Marine\u003c\/h1\u003e\n\u003cp\u003eHanna Ammonia Checker Reagent - Marine HI784-25 is the replacement reagent set for the Hanna HI784 Marine Ammonia Checker, used to test ammonia in saltwater aquarium samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI784 Marine Ammonia Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI784 Marine Ammonia Checker.\u003c\/li\u003e\n\u003cli\u003eIncludes the three replacement reagents needed for marine ammonia testing.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 saltwater ammonia tests.\u003c\/li\u003e\n\u003cli\u003ePrepared for use with saltwater and marine aquarium samples.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eMarine Ammonia Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI784-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI784 Marine Ammonia Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: marine ammonia\u003c\/li\u003e\n\u003cli\u003eUse: saltwater aquarium testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Marine Ammonia Reagents\u003c\/h2\u003e\n\u003cp\u003eUse the three reagents in the order required by the HI784 instructions. Keep sample temperature within the checker’s specified range and use clean cuvettes for best results.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eThree-reagent set for 25 Hanna HI784 Marine Ammonia Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399160832090,"sku":"HN-RNH3","price":29.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/ammoniareagents_1_cc9aa656-e642-4dea-949d-f0cf40d731c5.jpg?v=1743205173"},{"product_id":"hanna-copper-low-range-checker","title":"Hanna Copper Low Range Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Copper Low Range Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Copper Low Range Checker HI747 is a handheld colorimeter for measuring low copper levels from 0 to 999 ppb, giving a direct digital result for applications where trace copper detection matters. It is a useful choice for water-quality testing when a lower copper range and 1 ppb resolution are more appropriate than a high-range copper checker.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI747 Low Range Copper Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI747 is designed for low-level copper measurement, making it more suitable than the high-range checker when small copper concentrations need to be detected. It uses Hanna’s compact Checker HC format with a dedicated copper method, simple operation, and digital readout to reduce visual interpretation errors.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCopper Low Range Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures low copper levels from 0 to 999 ppb.\u003c\/li\u003e\n\u003cli\u003e1 ppb resolution helps identify small changes in copper concentration.\u003c\/li\u003e\n\u003cli\u003eDigital readout eliminates colour-chart guessing.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the EPA bicinchoninate method, producing a purple tint in the reacted sample.\u003c\/li\u003e\n\u003cli\u003eDedicated single-parameter checker keeps the test routine focused and easy to repeat.\u003c\/li\u003e\n\u003cli\u003eCompact handheld design is convenient for regular water testing.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off helps conserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI747-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI747 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI747\u003c\/li\u003e\n\u003cli\u003eProduct type: low range copper handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0 to 999 ppb copper\u003c\/li\u003e\n\u003cli\u003eResolution: 1 ppb\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±10 ppb ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 575 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of the EPA bicinchoninate method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI747-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI747-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eLow Range Copper Testing Notes\u003c\/h2\u003e\n\u003cp\u003eBecause the HI747 reads in ppb, clean testing technique is especially important. Keep cuvettes dry and free of fingerprints, use clean sample water, avoid bubbles in the cuvette, and follow reagent timing carefully for repeatable low-level copper results.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Copper Low Range Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the untreated sample, add the HI747 reagent as directed, mix carefully, and allow the checker to read the prepared sample. Replace reagents with Hanna HI747-25 when the starter supply is used up.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI747 Copper Low Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eCopper LR reagent starter kit for 6 tests\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399222108250,"sku":"HN-CCOPL","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_freshwater_copper_checker_hi747-1.jpg?v=1743205277"},{"product_id":"hanna-freshwater-alkalinity-checker","title":"Hanna Freshwater Alkalinity Checker","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Freshwater Alkalinity Checker\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Freshwater Alkalinity Checker HI775 is a handheld colorimeter for measuring alkalinity from 0 to 500 ppm as CaCO3 in freshwater. It provides a direct digital result for checking buffering capacity, helping freshwater aquarists understand how stable their aquarium water is against pH swings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI775 Freshwater Alkalinity Testing\u003c\/h2\u003e\n\u003cp\u003eFreshwater alkalinity represents the water’s ability to resist sudden pH changes. This is useful for community aquariums, planted tanks, shrimp systems, cichlid aquariums, source water testing, and any setup where buffering capacity affects livestock health and aquarium stability.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Alkalinity Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures freshwater alkalinity from 0 to 500 ppm as CaCO3.\u003c\/li\u003e\n\u003cli\u003eDigital reading removes guesswork from colour-chart comparison.\u003c\/li\u003e\n\u003cli\u003e1 ppm resolution helps track freshwater buffering changes clearly.\u003c\/li\u003e\n\u003cli\u003eCompact handheld checker is easy to store and use for routine aquarium testing.\u003c\/li\u003e\n\u003cli\u003eOne-button operation keeps the test process simple.\u003c\/li\u003e\n\u003cli\u003eUseful for checking aquarium water, tap water, and prepared water for freshwater systems.\u003c\/li\u003e\n\u003cli\u003eUses a colorimetric method with a yellow to green to blue reaction range.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI775-26 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI775 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI775\u003c\/li\u003e\n\u003cli\u003eProduct type: freshwater alkalinity handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0 to 500 ppm CaCO3\u003c\/li\u003e\n\u003cli\u003eResolution: 1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±5 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: colorimetric method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI775-26\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI775-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Alkalinity Testing Notes\u003c\/h2\u003e\n\u003cp\u003eAlkalinity is not the same as pH, but it strongly affects how stable pH will be over time. Test aquarium and source water consistently, especially before making major buffering changes, adjusting CO2 use, or preparing water for sensitive freshwater species.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Freshwater Alkalinity Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the freshwater sample, add the alkalinity reagent as instructed, mix carefully, and read the alkalinity result on the display. Use clean cuvettes and replace reagents with Hanna HI775-26 as needed.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI775 Freshwater Alkalinity Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eAlkalinity reagent starter kit for 25 tests\u003c\/li\u003e\n\u003cli\u003eSyringe with tip\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399222239322,"sku":"HN-CKDH3","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_freshwater_alkalinity_checker_hi775-1.jpg?v=1743202786"},{"product_id":"hanna-phosphorus-checker-high-range","title":"Hanna Phosphorus Checker - High Range","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphorus Checker - High Range\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Phosphorus Checker - High Range HI706 is a handheld colorimeter for measuring higher phosphorus concentrations from 0.0 to 15.0 ppm. It provides a digital result for water quality applications where phosphorus is expected above ultra-low reef ranges and a high-range checker is more appropriate.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI706 High Range Phosphorus Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI706 is dedicated to high range phosphorus measurement and uses a colorimetric reaction read by a fixed 525 nm LED and silicon photocell. It is not the same as a phosphate checker, so results should be interpreted as phosphorus unless converted separately for a specific application.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHigh Range Phosphorus Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures phosphorus from 0.0 to 15.0 ppm.\u003c\/li\u003e\n\u003cli\u003e0.1 ppm resolution suits higher-range water quality testing.\u003c\/li\u003e\n\u003cli\u003eDigital colorimeter readout removes colour-chart guesswork.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the Standard Methods amino acid method.\u003c\/li\u003e\n\u003cli\u003eCompact single-parameter checker is simple to store and operate.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off after ten minutes helps conserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI706-25 replacement reagents.\u003c\/li\u003e\n\u003cli\u003eCalibration check set HI706-11 is available separately for validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI706 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI706\u003c\/li\u003e\n\u003cli\u003eProduct type: High range phosphorus handheld colorimeter\u003c\/li\u003e\n\u003cli\u003eRange: 0.0 to 15.0 ppm phosphorus\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.3 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Amino acid method adaptation\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI706-25 for 40 tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna High Range Phosphorus Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the untreated sample, add the required HI706 reagents, mix as directed, and read the result on the digital display. Use clean cuvettes, avoid bubbles, and follow reagent timing closely for consistent readings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI706 Phosphorus High Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003ePhosphorus HR reagent starter kit for 20 tests\u003c\/li\u003e\n\u003cli\u003eBattery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399222337626,"sku":"HN-CPHOSH","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_highrange_phosphorus_checker_hi706-1.jpg?v=1743186208"},{"product_id":"hanna-phosphate-checker-high-range","title":"Hanna Phosphate Checker - High Range","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphate Checker - High Range\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Phosphate Checker - High Range HI717 is a handheld colorimeter for measuring phosphate from 0.0 to 30.0 ppm. It is designed for applications where phosphate levels may be higher than standard low range or reef-focused test kits can measure effectively.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI717 High Range Phosphate Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI717 reports phosphate directly in ppm and uses a digital colorimeter reading to reduce uncertainty from colour-chart interpretation. Its high range makes it suitable for water quality, aquaculture, education, industrial, and agricultural applications where elevated phosphate may be present.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHigh Range Phosphate Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures phosphate from 0.0 to 30.0 ppm.\u003c\/li\u003e\n\u003cli\u003e0.1 ppm resolution suits higher-level phosphate testing.\u003c\/li\u003e\n\u003cli\u003eDigital readout removes the need to judge colour shades by eye.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the Standard Methods amino acid method.\u003c\/li\u003e\n\u003cli\u003eCompact single-parameter checker is easy to store and operate.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off after ten minutes helps preserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI717-25 replacement reagents.\u003c\/li\u003e\n\u003cli\u003eCalibration check set HI717-11 is available separately for validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI717 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI717\u003c\/li\u003e\n\u003cli\u003eProduct type: High range phosphate handheld colorimeter\u003c\/li\u003e\n\u003cli\u003eRange: 0.0 to 30.0 ppm phosphate\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±1.0 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Amino acid method adaptation\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After ten minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI717-25 for 40 tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna High Range Phosphate Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the untreated sample, add the required phosphate reagents, mix according to Hanna’s instructions, and read the result on the display. Use clean cuvettes and avoid bubbles or fingerprints that may interfere with the optical reading.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI717 Phosphate High Range Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003ePhosphate HR reagent starter kit for 20 tests\u003c\/li\u003e\n\u003cli\u003eBattery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399222468698,"sku":"HN-CPO4H","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_highrange_phosphate_checker-hi717-1.jpg?v=1743186220"},{"product_id":"hanna-ammonia-checker-reagent-freshwater","title":"Hanna Ammonia Checker Reagent - Freshwater","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Ammonia Checker Reagent - Freshwater\u003c\/h1\u003e\n\u003cp\u003eHanna Ammonia Checker Reagent - Freshwater HI700-25 is the replacement reagent set for the Hanna HI700 Freshwater Low Range Ammonia Checker.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI700 Freshwater Ammonia Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI700 Freshwater Low Range Ammonia Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 freshwater ammonia tests.\u003c\/li\u003e\n\u003cli\u003eUses the Nessler method to create a yellow colour reaction.\u003c\/li\u003e\n\u003cli\u003eUseful for cycling aquariums, quarantine systems, and routine freshwater ammonia monitoring.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Ammonia Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI700-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI700 Freshwater Low Range Ammonia Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: freshwater ammonia\u003c\/li\u003e\n\u003cli\u003eUse: freshwater samples only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Freshwater Ammonia Reagents\u003c\/h2\u003e\n\u003cp\u003eUse only with freshwater samples and follow the HI700 checker instructions exactly. Mix reagents carefully and keep cuvettes clean before reading the sample.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagent set for 25 Hanna HI700 Freshwater Ammonia Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399222567002,"sku":"HN-RNH3F","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_freshwater_ammonia_checker_reagents-hi700-25-1.jpg?v=1743202818"},{"product_id":"hanna-ph-tester-hi98103","title":"Hanna pH Tester - HI98103","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna pH Tester - HI98103\u003c\/h1\u003e\n\u003cp\u003eThe Hanna pH Tester - HI98103 is a compact digital pH tester with 0.1 pH resolution, designed for direct pH measurement in a simple pocket-sized format. It is useful for aquarium source water checks, freshwater testing, laboratory spot checks, field use, and general water-quality monitoring where a quick digital pH reading is preferred over liquid colour tests.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI98103 Checker pH Testing\u003c\/h2\u003e\n\u003cp\u003eThe HI98103 features automatic one or two-point calibration, a large LCD, stability indication, and a replaceable HI1271 pH electrode. The replaceable electrode helps extend the life of the tester instead of replacing the entire unit when the probe reaches the end of its service life.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI98103 Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH from 0.0 to 14.0 pH.\u003c\/li\u003e\n\u003cli\u003e0.1 pH resolution with ±0.2 pH accuracy at 25°C \/ 77°F.\u003c\/li\u003e\n\u003cli\u003eAutomatic one or two-point calibration.\u003c\/li\u003e\n\u003cli\u003eReplaceable HI1271 pH electrode.\u003c\/li\u003e\n\u003cli\u003eStability indicator helps confirm when the reading is ready.\u003c\/li\u003e\n\u003cli\u003eSelectable auto-off can be set to 8 minutes, 60 minutes, or disabled.\u003c\/li\u003e\n\u003cli\u003eCR2032 battery provides approximately 1000 hours of continuous use.\u003c\/li\u003e\n\u003cli\u003eStarter buffers, cleaning solution, battery, and case are included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI98103 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI98103\u003c\/li\u003e\n\u003cli\u003eProduct type: Digital pH tester\u003c\/li\u003e\n\u003cli\u003epH range: 0.0 to 14.0 pH\u003c\/li\u003e\n\u003cli\u003epH resolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003epH accuracy at 25°C \/ 77°F: ±0.2 pH\u003c\/li\u003e\n\u003cli\u003eCalibration: Automatic at one or two points\u003c\/li\u003e\n\u003cli\u003eElectrode: HI1271 included\u003c\/li\u003e\n\u003cli\u003eBattery type: CR2032 Li-ion\u003c\/li\u003e\n\u003cli\u003eBattery life: Approximately 1000 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 50 x 174 x 21 mm \/ 2 x 6.8 x 0.9 in\u003c\/li\u003e\n\u003cli\u003eWeight: 50 g \/ 1.8 oz\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna pH Tester\u003c\/h2\u003e\n\u003cp\u003eCalibrate with fresh pH buffer solution before use, rinse the electrode between samples, wait for the stability indicator, and store the electrode properly with storage solution to help maintain response and accuracy. Replace the electrode when calibration becomes difficult or readings drift excessively.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI98103 Checker pH Tester\u003c\/li\u003e\n\u003cli\u003eHI1271 pH electrode\u003c\/li\u003e\n\u003cli\u003e2 pH 4.01 buffer solution sachets\u003c\/li\u003e\n\u003cli\u003e2 pH 7.01 buffer solution sachets\u003c\/li\u003e\n\u003cli\u003e2 electrode cleaning solution sachets\u003c\/li\u003e\n\u003cli\u003eBattery\u003c\/li\u003e\n\u003cli\u003eQuality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399245439066,"sku":"HN-T98103","price":49.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_ph_tester_checker_hi98103-1.jpg?v=1743527019"},{"product_id":"hanna-phep4-ph-temperature-tester-hi98127","title":"Hanna Phep4 pH\/Temperature Tester - HI98127","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phep4 pH\/Temperature Tester - HI98127\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Phep4 pH\/Temperature Tester - HI98127 is a waterproof pocket tester that measures pH and temperature with automatic temperature compensation. It is designed for reliable spot checks in aquariums, water quality testing, field use, laboratory work, and other applications where pH and temperature need to be viewed together on one tester.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI98127 Waterproof pH and Temperature Testing\u003c\/h2\u003e\n\u003cp\u003eThe pHep4 tester measures pH from -2.0 to 16.0 with 0.1 pH resolution and includes a built-in thermometer. Its waterproof body is designed to float if dropped into a tank or sample, while the replaceable HI73127 electrode helps extend the useful life of the tester.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003epHep4 Tester Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and temperature in one handheld waterproof tester.\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation adjusts pH readings for temperature variation.\u003c\/li\u003e\n\u003cli\u003eLarge display shows pH and temperature readings.\u003c\/li\u003e\n\u003cli\u003eStability indicator helps identify when the reading is stable.\u003c\/li\u003e\n\u003cli\u003eHold function freezes the reading for easy recording.\u003c\/li\u003e\n\u003cli\u003eAutomatic one or two-point calibration with selectable buffer sets.\u003c\/li\u003e\n\u003cli\u003eReplaceable HI73127 pH electrode with extractable cloth junction.\u003c\/li\u003e\n\u003cli\u003eBattery Error Prevention System shuts the meter off when power is too low for accurate measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI98127 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI98127\u003c\/li\u003e\n\u003cli\u003eProduct type: Waterproof pH and temperature tester\u003c\/li\u003e\n\u003cli\u003epH range: -2.0 to 16.0 pH\u003c\/li\u003e\n\u003cli\u003epH resolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003epH accuracy at 25°C \/ 77°F: ±0.1 pH\u003c\/li\u003e\n\u003cli\u003eTemperature range: -5.0 to 60.0°C \/ 23.0 to 140.0°F\u003c\/li\u003e\n\u003cli\u003eTemperature resolution: 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003epH electrode: HI73127 replaceable electrode\u003c\/li\u003e\n\u003cli\u003eBattery type: 4 x 1.5V batteries\u003c\/li\u003e\n\u003cli\u003eBattery life: Approximately 300 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 163 x 40 x 26 mm \/ 6.4 x 1.6 x 1.0 in\u003c\/li\u003e\n\u003cli\u003eWeight: 100 g \/ 3.5 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna pHep4 Tester\u003c\/h2\u003e\n\u003cp\u003eCalibrate with the included pH 4.01 and pH 7.01 buffers, rinse the electrode between samples, wait for the stability indicator, and store the electrode using proper pH storage solution. Replace the electrode when cleaning and calibration no longer restore stable performance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI98127 pHep4 pH\/Temperature Tester\u003c\/li\u003e\n\u003cli\u003e2 pH 4.01 buffer solution sachets\u003c\/li\u003e\n\u003cli\u003e2 pH 7.01 buffer solution sachets\u003c\/li\u003e\n\u003cli\u003e1 pH and ORP electrode cleaning solution sachet\u003c\/li\u003e\n\u003cli\u003e1 pH and ORP electrode storage solution sachet\u003c\/li\u003e\n\u003cli\u003eHI73127 pH electrode\u003c\/li\u003e\n\u003cli\u003eHI73128 electrode removal tool\u003c\/li\u003e\n\u003cli\u003e4 x 1.5V batteries\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399245471834,"sku":"HN-T98127","price":134.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_ph_temperature_tester_hi98127-1.jpg?v=1743181119"},{"product_id":"hanna-ph-conductivity-tds-tester-hi98129","title":"Hanna PH\/Conductivity\/TDS Tester - HI98129","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna PH\/Conductivity\/TDS Tester - HI98129\u003c\/h1\u003e\n\u003cp\u003eThe Hanna PH\/Conductivity\/TDS Tester - HI98129 is a waterproof low-range combo tester for measuring pH, conductivity, TDS, and temperature in one compact handheld meter. It is useful for freshwater aquariums, source water checks, RO\/DI monitoring, hydroponic-style nutrient checks, and general water-quality testing where multiple readings are needed from one pocket tester.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI98129 Low Range Combo Tester\u003c\/h2\u003e\n\u003cp\u003eThe HI98129 measures pH from 0.00 to 14.00, conductivity from 0 to 3999 µS\/cm, TDS from 0 to 2000 ppm, and temperature from -5.0 to 60.0°C. Its waterproof floating body, replaceable pH electrode, graphite conductivity probe, and automatic temperature compensation make it a practical all-in-one tester for routine water checks.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eCombo Tester Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH, EC, TDS, and temperature in one handheld tester.\u003c\/li\u003e\n\u003cli\u003eWaterproof body is designed to float if dropped into a sample.\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation applies to pH, EC, and TDS readings.\u003c\/li\u003e\n\u003cli\u003eReplaceable HI73127 pH electrode extends the life of the tester.\u003c\/li\u003e\n\u003cli\u003eGraphite conductivity probe improves EC and TDS reading reliability.\u003c\/li\u003e\n\u003cli\u003eSelectable EC to TDS conversion factor from 0.45 to 1.00.\u003c\/li\u003e\n\u003cli\u003eHold button freezes readings for easier recording.\u003c\/li\u003e\n\u003cli\u003eBattery Error Prevention System shuts down when power is too low for accurate measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI98129 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI98129\u003c\/li\u003e\n\u003cli\u003eProduct type: Low range pH, conductivity, TDS, and temperature tester\u003c\/li\u003e\n\u003cli\u003epH range: 0.00 to 14.00 pH\u003c\/li\u003e\n\u003cli\u003epH resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003epH accuracy at 25°C \/ 77°F: ±0.05 pH\u003c\/li\u003e\n\u003cli\u003eEC range: 0 to 3999 µS\/cm\u003c\/li\u003e\n\u003cli\u003eEC resolution: 1 µS\/cm\u003c\/li\u003e\n\u003cli\u003eEC accuracy: ±2% full scale\u003c\/li\u003e\n\u003cli\u003eTDS range: 0 to 2000 mg\/L \/ ppm\u003c\/li\u003e\n\u003cli\u003eTDS resolution: 1 mg\/L \/ ppm\u003c\/li\u003e\n\u003cli\u003eTDS accuracy: ±2% full scale\u003c\/li\u003e\n\u003cli\u003eTemperature range: -5.0 to 60.0°C \/ 23.0 to 140.0°F\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eBattery type: 4 x 1.5V batteries\u003c\/li\u003e\n\u003cli\u003eBattery life: Approximately 100 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 163 x 40 x 26 mm \/ 6.4 x 1.6 x 1.0 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eOfficial Hanna HI98129 Video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:10px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Aw2J81XCITM\" title=\"Hanna Lab HI98129 pH EC TDS Combo Tester Setup and Calibration\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna PH Conductivity TDS Tester\u003c\/h2\u003e\n\u003cp\u003eCalibrate pH and conductivity with the included standards, rinse between samples, select the desired measurement mode, and wait for stable readings before recording results. Store the pH electrode with proper storage solution and replace the electrode when cleaning and calibration no longer restore reliable response.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI98129 pH\/Conductivity\/TDS Tester\u003c\/li\u003e\n\u003cli\u003epH 4.01 buffer solution sachet\u003c\/li\u003e\n\u003cli\u003epH 7.01 buffer solution sachet\u003c\/li\u003e\n\u003cli\u003epH and ORP electrode storage solution sachet\u003c\/li\u003e\n\u003cli\u003e1413 µS\/cm conductivity standard sachet\u003c\/li\u003e\n\u003cli\u003e1382 ppm TDS standard sachet\u003c\/li\u003e\n\u003cli\u003epH and ORP electrode cleaning solution sachet\u003c\/li\u003e\n\u003cli\u003eHI73127 pH electrode\u003c\/li\u003e\n\u003cli\u003eHI73128 electrode removal tool\u003c\/li\u003e\n\u003cli\u003e4 x 1.5V batteries\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41399245504602,"sku":"HN-T98129","price":217.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_ph_conductivity_tester_hi98129-1.jpg?v=1743205330"},{"product_id":"hanna-alkalinity-checker-freshwater-reagents-25-pack","title":"Hanna Alkalinity Checker Freshwater Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Alkalinity Checker Freshwater Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Alkalinity Checker Freshwater Reagents - 25 Pack are replacement reagents for the Hanna HI775 Freshwater Alkalinity Checker, used to measure alkalinity in freshwater samples.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI775 Freshwater Alkalinity Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI775 Freshwater Alkalinity Checker.\u003c\/li\u003e\n\u003cli\u003eProvides reagents for 25 freshwater alkalinity tests.\u003c\/li\u003e\n\u003cli\u003eSupports routine monitoring of buffering capacity in freshwater aquariums and source water.\u003c\/li\u003e\n\u003cli\u003ePrepared with high-purity chemicals for consistent testing.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFreshwater Alkalinity Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI775-26\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI775 Freshwater Alkalinity Checker\u003c\/li\u003e\n\u003cli\u003eTest count: 25 tests\u003c\/li\u003e\n\u003cli\u003eParameter: freshwater alkalinity\u003c\/li\u003e\n\u003cli\u003eUse: freshwater aquarium and water-quality testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Freshwater Alkalinity Reagents\u003c\/h2\u003e\n\u003cp\u003eAdd the reagent according to the HI775 instructions, mix carefully, and read the prepared sample with clean cuvettes. Replace reagents once used up or expired.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eReagent set for 25 Hanna HI775 Freshwater Alkalinity Checker tests\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41485892124762,"sku":"HN-RDKHF","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/1050be145816dcacf1e873c8b7bfcc03.jpg?v=1743205602"},{"product_id":"hanna-phosphate-checker-high-range-reagents-25-pack","title":"Hanna Phosphate Checker High Range Reagents - 25 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Phosphate Checker High Range Reagents - 25 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Phosphate Checker High Range Reagents - 25 Pack are replacement reagents for the Hanna HI717 Phosphate High Range Checker, used for higher-range phosphate testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI717 Phosphate High Range Reagents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the Hanna HI717 Phosphate High Range Checker.\u003c\/li\u003e\n\u003cli\u003eHanna lists HI717-25 as a 40-test reagent set.\u003c\/li\u003e\n\u003cli\u003eUsed for phosphate high range testing with the compatible checker.\u003c\/li\u003e\n\u003cli\u003eUses the amino acid method to produce the colour reaction read by the checker.\u003c\/li\u003e\n\u003cli\u003eUseful where phosphate levels may be above low-range checker limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHigh Range Phosphate Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI717-25\u003c\/li\u003e\n\u003cli\u003eCompatibility: Hanna HI717 Phosphate High Range Checker\u003c\/li\u003e\n\u003cli\u003eManufacturer-listed test count: 40 tests\u003c\/li\u003e\n\u003cli\u003eParameter: phosphate high range\u003c\/li\u003e\n\u003cli\u003eMethod: amino acid method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna High Range Phosphate Reagents\u003c\/h2\u003e\n\u003cp\u003eUse with the HI717 checker procedure, mix the reagents as directed, and keep cuvettes clean and scratch-free before reading the sample.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eHI717-25 phosphate high range reagent set\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41485892190298,"sku":"HN-RPO4H","price":16.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/6a872debad241e2570988a8cc0948706.jpg?v=1743205606"},{"product_id":"hanna-ammonia-checker-freshwater-2","title":"Hanna Ammonia Checker - Freshwater - USED DEMO \/ OPEN BOX","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003ch2\u003e   \u003cstrong\u003e USED DEMO\/ OPEN BOX \u003c\/strong\u003e Hanna Freshwater Ammonia Checker   \u003c\/h2\u003e   \u003ch3\u003e    Handheld Checker for Freshwater Ammonia - HI700   \u003c\/h3\u003e \u003cp\u003e  The Hanna Ammonia Low-Range Checker bridges the gap between simple  chemical test kits and professional instrumentation. Chemical test  kits have limited accuracy and resolution since they rely upon the  human eye to discern differences in color. Professional instrumentation  incorporates a light source such as an LED or tungsten lamp with  a filter and a light sensing detector to precisely determine absorbance  and ion concentration.\u003cbr\u003e\u003cbr\u003eProfessional instrumentation offers  greater resolution and accuracy but can cost hundreds of dollars.  The Hanna Ammonia Low-Range Checker uses a fixed wavelength LED and  silicon photo detector to provide the accuracy of professional instrumentation  at the affordable price of a chemical test kit. \u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003ch3\u003e    Hanna Ammonia Checker – HI700 Specifications   \u003c\/h3\u003e \u003cul\u003e  \u003cli\u003e    Range: 0.00 - 3.0ppm Ammonia   \u003c\/li\u003e   \u003cli\u003e    Resolution: 0.01 ppm (mg\/L)   \u003c\/li\u003e   \u003cli\u003e    Accuracy:+\/-0.05ppm +\/- 5% of reading   \u003c\/li\u003e   \u003cli\u003e    Light Source: LED @ 470nm   \u003c\/li\u003e   \u003cli\u003e    Light Detector: Silicon Photocell   \u003c\/li\u003e   \u003cli\u003e    Method: Adaptation of the ASTM Manual of Water and Environmental    Technology D1426-92, Nessler Method. The reaction between ammonia    and reagents causes a yellow tint in the sample.   \u003c\/li\u003e   \u003cli\u003e    Operating Environment: 0-50 degrees Celsius, RH max 95% non-condensing  \u003c\/li\u003e   \u003cli\u003e    Battery Type: 1 - 1.5v AA   \u003c\/li\u003e   \u003cli\u003e    Auto- Shutoff: Automatically shuts off after 10 minutes of non-use.  \u003c\/li\u003e   \u003cli\u003e    Dimensions: 86.mm x 61mm x 37.5mm (3.4\" x 2.4\" x 1.5\")   \u003c\/li\u003e   \u003cli\u003e    Weight: 64 grams (2.25oz)   \u003c\/li\u003e   \u003cli\u003e    Warranty: 6 month manufacturer limited warranty   \u003c\/li\u003e \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"J\u0026L Aquatics Ltd.","offers":[{"title":"Default Title","offer_id":41669183275098,"sku":"HN-CKNH3-1","price":62.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/ammonia700_1_2.jpg?v=1743186472"},{"product_id":"hanna-free-chlorine-checker-reagents-100-pack","title":"Hanna Free Chlorine Checker Reagents - 100 Pack","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Free Chlorine Checker Reagents - 100 Pack\u003c\/h1\u003e\n\u003cp\u003eHanna Free Chlorine Checker Reagents - 100 Pack are DPD powder reagents for the colorimetric determination of free chlorine in compatible Hanna photometers and free chlorine testing applications.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFree Chlorine Reagents for Water Testing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUsed for free chlorine testing by colorimetric DPD method.\u003c\/li\u003e\n\u003cli\u003eProvides enough reagent for 100 tests.\u003c\/li\u003e\n\u003cli\u003eUseful for checking treated water, source water, pool water, spa water, and other compatible free chlorine testing applications.\u003c\/li\u003e\n\u003cli\u003eEach packet is marked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003cli\u003ePrepared by Hanna for use with compatible Hanna chlorine photometers and test methods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFree Chlorine Reagent Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI93701-01\u003c\/li\u003e\n\u003cli\u003eTest count: 100 tests\u003c\/li\u003e\n\u003cli\u003eParameter: free chlorine\u003c\/li\u003e\n\u003cli\u003eMedia type: powder reagent packets\u003c\/li\u003e\n\u003cli\u003eMethod: DPD colorimetric method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Free Chlorine Reagents\u003c\/h2\u003e\n\u003cp\u003eUse with the compatible Hanna meter or photometer procedure, add the reagent packet as directed, mix fully, and read the sample within the required testing window. Store reagents dry and replace expired packets.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e100 free chlorine reagent packets\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":42009787269210,"sku":"HN-RCHLF100","price":47.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_free_chlorine_checker_reagents_100pack-1.jpg?v=1750797781"},{"product_id":"hanna-ph-electrode-storage-solution-hi-70300l-500ml","title":"Hanna pH Electrode Storage Solution HI-70300L - 500ml","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna pH Electrode Storage Solution HI-70300L - 500ml\u003c\/h1\u003e\n\u003cp\u003eHanna pH Electrode Storage Solution HI-70300L - 500ml is a storage solution for pH and ORP electrodes, helping keep the glass membrane hydrated and ready for accurate readings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eStorage Solution for pH and ORP Electrodes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for storing pH and ORP electrodes.\u003c\/li\u003e\n\u003cli\u003eHelps keep the glass membrane hydrated between uses.\u003c\/li\u003e\n\u003cli\u003eSupports faster response and more reliable measurements.\u003c\/li\u003e\n\u003cli\u003eSpecial formulation helps minimize bacterial growth on the electrode.\u003c\/li\u003e\n\u003cli\u003eMarked with lot number and expiration date for traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI70300L Storage Solution Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI-70300L\u003c\/li\u003e\n\u003cli\u003eSize: 500 mL\u003c\/li\u003e\n\u003cli\u003eUse: pH and ORP electrode storage\u003c\/li\u003e\n\u003cli\u003eProduct type: electrode storage solution\u003c\/li\u003e\n\u003cli\u003eRecommended use: storing electrodes between testing sessions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing Hanna Electrode Storage Solution\u003c\/h2\u003e\n\u003cp\u003ePlace enough storage solution in the electrode cap or storage container to keep the sensing area hydrated. Do not store pH electrodes in distilled or deionized water, as this can damage electrode performance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e500 mL bottle of pH and ORP electrode storage solution\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":42009787301978,"sku":"HN-RPSS0500","price":28.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/Hanna_HI-70300L_Electrode_Storage_Solution_-_500_mL.jpg?v=1750797312"},{"product_id":"hanna-free-chlorine-checker-hi701","title":"Hanna Free Chlorine Checker - HI701","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size:24px;font-weight:bold;margin:0 0 10px 0;\"\u003eHanna Free Chlorine Checker - HI701\u003c\/h1\u003e\n\u003cp\u003eThe Hanna Free Chlorine Checker HI701 is a compact handheld colorimeter for measuring free chlorine from 0.00 to 2.50 ppm. It provides a direct digital result and is useful for checking source water, treated water, drinking water, pools, spas, and other applications where free chlorine needs to be monitored accurately.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHI701 Free Chlorine Digital Testing\u003c\/h2\u003e\n\u003cp\u003eFree chlorine is the active disinfecting form of chlorine in water. For aquarium use, testing source water can help confirm chlorine removal before water is used in aquariums or before water reaches sensitive filtration equipment such as RO membranes. The HI701 helps reduce the uncertainty of colour matching by displaying the result directly in ppm.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eFree Chlorine Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures free chlorine from 0.00 to 2.50 ppm.\u003c\/li\u003e\n\u003cli\u003eDigital result eliminates the need to match colours by eye.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution supports precise low-level chlorine checks.\u003c\/li\u003e\n\u003cli\u003eUses the DPD method adapted from USEPA method 330.5.\u003c\/li\u003e\n\u003cli\u003eCompact handheld checker is easy to store with aquarium or water-treatment supplies.\u003c\/li\u003e\n\u003cli\u003eSimple one-button operation is suitable for routine spot checks.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off after two minutes of non-use helps conserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI701-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eHanna HI701 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI701\u003c\/li\u003e\n\u003cli\u003eProduct type: free chlorine handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 2.50 ppm free chlorine\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.03 ppm ±3% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of USEPA method 330.5 DPD method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1 x 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after two minutes of non-use\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI701-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI701-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eSource Water Testing Notes\u003c\/h2\u003e\n\u003cp\u003eFree chlorine should not be present in water being added directly to aquariums unless it has been properly treated for the livestock and filtration system. Use the HI701 to verify chlorine levels in suitable water samples and follow water conditioner or filtration-system instructions when preparing aquarium water.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eUsing the Hanna Free Chlorine Checker\u003c\/h2\u003e\n\u003cp\u003eZero the checker with the water sample, add the HI701 reagent packet as directed, mix until dissolved, and read the prepared sample. Keep cuvettes clean and replace reagents with Hanna HI701-25 when the starter supply is finished.\u003c\/p\u003e\n\u003ch2 style=\"font-size:20px;font-weight:bold;margin:16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI701 Free Chlorine Checker HC\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003eFree chlorine reagent starter kit for 6 tests\u003c\/li\u003e\n\u003cli\u003e1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":42907523842138,"sku":"HN-CHI701","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/hanna_free_chlorine_checker_hi701-1.jpg?v=1770658937"},{"product_id":"hanna-ammonia-checker-marine-copy","title":"Hanna Ammonia Checker - Marine - OPEN BOX","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n\u003ch1 style=\"font-size: 24px; font-weight: bold; margin: 0 0 10px 0;\"\u003eHanna Ammonia Checker - Marine\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eOPEN BOX - DEMO - NEW REAGENTS\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eALL SALES FINAL ON CLEARANCE ITEMS NO RETURNS, REFUNDS OR EXCHANGES.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Hanna Ammonia Checker - Marine HI784 is a handheld colorimeter designed for measuring ammonia in saltwater aquariums from 0.00 to 2.50 ppm NH3. It gives a digital result for marine aquarists who need clearer ammonia readings than standard colour-matching kits can provide.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eHI784 Marine Ammonia Testing\u003c\/h2\u003e\n\u003cp\u003eAmmonia can be dangerous in saltwater aquariums, especially in new systems, quarantine tanks, shipping stress situations, emergency holding systems, and aquariums with biological filtration disruption. The HI784 is designed for marine samples and uses a salicylate method suited to saltwater testing.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eMarine Ammonia Checker Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures marine ammonia from 0.00 to 2.50 ppm NH3.\u003c\/li\u003e\n\u003cli\u003eDigital display reduces visual interpretation errors from colour charts.\u003c\/li\u003e\n\u003cli\u003e0.01 ppm resolution helps monitor low-level ammonia changes.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for saltwater aquarium samples.\u003c\/li\u003e\n\u003cli\u003eUses an adaptation of the salicylate method, where ammonia and ammonium reaction creates a blue-green tint.\u003c\/li\u003e\n\u003cli\u003eCompact handheld checker is convenient for aquarium maintenance and emergency testing.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off helps preserve battery life.\u003c\/li\u003e\n\u003cli\u003eWorks with Hanna HI784-25 replacement reagents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eHanna HI784 Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: HI784\u003c\/li\u003e\n\u003cli\u003eProduct type: marine ammonia handheld colorimeter checker\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 2.50 ppm \/ mg\/L NH3\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C \/ 77°F: ±0.05 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 610 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of the salicylate method\u003c\/li\u003e\n\u003cli\u003eBattery type: 1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: after 20 minutes of non-use and 10 minutes after reading\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C \/ 32 to 122°F with maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003ePrepared sample temperature: 18 to 29°C \/ 65 to 85°F\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 x 61.0 x 37.5 mm \/ 3.4 x 2.4 x 1.5 in\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g \/ 2.3 oz\u003c\/li\u003e\n\u003cli\u003eReplacement reagent set: HI784-25\u003c\/li\u003e\n\u003cli\u003eCalibration check set: HI784-11\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eMarine Ammonia Testing Notes\u003c\/h2\u003e\n\u003cp\u003eKeep the prepared sample within Hanna’s stated temperature range and test saltwater samples only. Ammonia readings should be considered alongside pH, temperature, livestock behaviour, and system history, especially in quarantine or newly established marine aquariums.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eUsing the Hanna Marine Ammonia Checker\u003c\/h2\u003e\n\u003cp\u003ePrepare the sample with the HI784 reagents as directed, keep the cuvettes clean and dry on the outside, and read the result on the checker display. Use Hanna HI784-25 replacement reagents when the starter reagents are finished.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: bold; margin: 16px 0 6px 0;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI784 Marine Ammonia Checker in case with custom insert\u003c\/li\u003e\n\u003cli\u003eMarine ammonia reagent starter kit for 10 tests\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003ePlastic refilling pipette\u003c\/li\u003e\n\u003cli\u003e1.5V AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":43571313868890,"sku":"HN-CKNH3M-OP","price":62.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/1636\/7450\/files\/ammoniachecker_1_1_37c2f5be-0ff8-477f-9ec5-2635ad7a57dd.jpg?v=1743205223"}],"url":"https:\/\/jlaquatics.com\/collections\/hanna-checkers.oembed?page=3","provider":"J\u0026L Aquatics Ltd.","version":"1.0","type":"link"}