The FRESHWATER MASTER TEST KIT from API® measures four important levels in freshwater aquariums quickly and accurately, including pH, high range pH, ammonia, nitrite, and nitrate. With scientific accuracy for professional results, the reusable freshwater test kit comes with 4 glass test tubes with secure caps and a convenient storage container for easy storage. It also includes a step-by-step instruction booklet with a color chart providing information on how to correct unsafe water conditions.

We recommend taking 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 this easy or accurate before!

Contains 800 tests and includes 7 test Fluids, easy-to-read instructions, 4 glass test tubes, and a color chart.