API Reef Master Test Kit

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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 glass test tubes with snap-tight caps 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.

We recommend that you take a few minutes each week to monitor your aquarium conditions and create a better underwater world for your fish. Testing your aquarium water has never been so easy or accurate!


Includes 7 test solutions, easy-to-ready instructions, glass test tubes and color chart

Note: Packaging may vary. The test kits are the same, but API has updated their packaging. We still have some of the old packaging kits and those will be shipped first.