Neptune Apex Probe Module 2
Neptune Apex Probe Module 2
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Product Description
Product Description
Neptune Apex Probe Module 2
The Neptune Apex Probe Module 2 adds salinity or conductivity monitoring, temperature compensation, six digital inputs, and AquaBus expansion to a compatible Apex aquarium controller system.
PM2 Salinity and Conductivity Expansion
The PM2 is designed for aquarists who want continuous conductivity or salinity monitoring through their Apex system. Salinity stability is especially important in reef aquariums, quarantine systems, frag tanks, and automated top-off setups where evaporation, dosing errors, reservoir issues, or water-change mistakes can shift specific gravity before the problem is obvious.
Neptune PM2 Features
- Adds conductivity and salinity monitoring to a compatible Apex system
- Includes an additional temperature probe port for temperature compensation
- Supports four conductivity measurement ranges including 0-900 uS/cm, 0-90.0 mS/cm, and 0-50 ppt
- Six digital inputs support compatible float switches, leak sensors, feed buttons, pressure switches, and custom switch applications
- Full data logging through the Apex base system
- Plug-and-play AquaBus module that is automatically recognized after installation
- Two AquaBus connectors allow flexible module placement and expansion
- LED status indicator provides quick module status visibility
- Upgradeable firmware supports long-term Apex ecosystem use
- Galvanic isolation helps support accurate and reliable probe readings
Probe Module 2 Specifications
- Product type: Apex salinity and conductivity expansion module
- Probe input: Conductivity or salinity probe connection
- Temperature input: One temperature probe port
- Conductivity ranges: 0-900 uS/cm, 0-90.0 mS/cm, and 0-50 ppt range support
- Digital inputs: Six I/O switch inputs
- AquaBus ports: Two AquaBus connectors
- Compatibility: Compatible with Apex systems
- Included cable: 3 ft AquaBus cable
- Conductivity probe: Sold separately
PM2 Aquarium Applications
The PM2 is useful for tracking salinity trends, identifying top-off problems, monitoring mixing stations, adding an additional temperature input, or building Apex alerts around salinity drift. Because salinity readings are temperature-sensitive, the temperature input helps the Apex compensate when paired with the proper probe setup.
Setup Directions
Mount the PM2 in a dry, protected area and connect it to the Apex system using the included AquaBus cable. Install the conductivity probe and temperature probe according to Neptune setup guidance, then configure and calibrate the inputs in Apex Fusion. Place probes in a stable high-flow area where bubbles, microbubbles, salt creep, and electrical interference are minimized, and test all salinity alerts before relying on them.
What's Included
- Neptune Apex Probe Module 2
- 3 ft AquaBus Cable
Shipping Info
Shipping Info
FREE SHIPPING OVER $119!*
- does not apply to livestock -
$11.99 FLAT RATE FOR LESS THAN $119.00 - CANADA WIDE!
*EXCEPTIONS:
- Any heavy or bulky items will incur a 100% charge of the actual shipping cost (valid for both Canada and the US). Heavy bulky items include (but are not limited to): salt, dry rock, sand, chillers, sumps, aquariums, stands, and some filter media.
- Frozen or perishable food can only be shipped via UPS Express. We have discounted the express shipping of these items to help the hobbyist out.
- Livestock is covered by a different shipping policy. To view the policy and further information regarding shipping livestock, click here.
GENERAL NOTES:
- We always make our best effort to ship your order via the carrier chosen during the check-out process; however, for some multi-piece shipments and/or remote destinations, we must reserve the right to use another carrier at our discretion (and without prior notice). If you require notice of any changes made to the carrier, please mention it in the special instructions during check-out.
- Upon request, we will ship your dry goods as per your specifications (courier, airlines, on your account, etc.).
- Quoted rates are the carriers live discounted shipping rates after adjusting for any/all shipping promotions.
Returns / Exchanges
Returns / Exchanges
Return Policy — Aquarium Equipment & Supplies
- All returns and/or exchanges must be made within 30 days of receipt of product.
- Before returning or exchanging any goods, you must contact J&L Aquatics to obtain a Return Merchandise Authorization (RMA). Items returned without prior authorization will be declined.
- Returned items must be unused, in original packaging, in as-new condition, and in perfect sellable condition. All returns are subject to inspection upon receipt.
- A 15% restocking fee applies to all online returns. This fee includes the cost of outbound shipping.
- Customer is responsible for return shipping costs on standard returns.
- Order cancellations made before shipping are not subject to a restocking fee.
Non-Returnable Items
- Special order items
- Clearance / final sale items
- Open box items
Regular sale items (non-clearance) are returnable within the 30-day return window, subject to our standard return conditions.
Defective, Warranty & DOA Items
- If you receive an item that is defective, not working, or dead on arrival (DOA), please contact us as soon as possible.
- Confirmed defective and warranty returns have no restocking fee and no Affirm fee. Customer does not pay return shipping — J&L Aquatics will provide a prepaid return label.
- All defective claims are subject to inspection. Items showing signs of customer damage, improper installation, or misuse are not covered under warranty.
Carrier Damage & Lost in Transit
- If your order arrives damaged by the carrier or is lost in transit, please contact us right away with:Photos of the damaged product (if applicable)Photos of the damaged box/packaging (if applicable)A description of the issue
- Important — Do not throw out any packaging! Please keep all original packaging, boxes, and packing materials. These are required to process your claim. Discarding packaging may affect our ability to resolve your claim.
High-Value Items ($100+)
- For items valued at $100 or more, customers must provide a return tracking number before a replacement will be shipped.
Affirm & Financing Orders
- Affirm or similar financing orders that are cancelled or returned in-store are subject to a 5% service charge. This covers the processing fee charged to us by the financing provider.
- The Affirm service charge does not apply to confirmed defective or warranty returns.
J&L Aquatics strives to maintain the lowest prices economically possible. In most cases we have the lowest price in the Canadian marketplace, but in the rare occasion that we do not, please feel free to contact us at 604-444-1161 or through e-mail to discuss an opportunity to price match.
