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.

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!

Instruction Manual:

• API Reef Master Test Kit Instruction Manual.pdf

Safety Sheets:

• API Calcium Solution 1 Safety Data Sheet.pdf
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• API Calcium Solution 2 Safety Data Sheet.pdf
• API Carbonate Hardness Solution Safety Data Sheet.pdf
• API Nitrate Test Solution 1 Safety Data Sheet.pdf
• API Nitrate Test Solution 2 Safety Data Sheet.pdf
• API Phosphate Test Solution 1 Safety Data Sheet.pdf
• API Phosphate Test Solution 2 Safety Data Sheet.pdf