The API^® High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API^® High Range pH Test Kit reads the pH of water within the high range of 7.4 – 8.8, and includes one bottle of test solution and one test tube. Product contains 160 tests, so you can get the most out of your kit for years of fast, accurate testing.

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!