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API Reef Master Test Kit
The API REEF MASTER TEST KIT test 4 key parameters - calcium, carbonate hardness, phosphate, and nitrate - to keep reef inhabitants healthy.
Testing is fast, easy, and accurate, yielding precise results, and comes with 4 test tubes and a convenient holding tub for easy, reusable storage.
This kit also includes a complete, step-by-step instructional booklet with a color chart that provides information on how to correct unsafe water conditions.