The API® HIGH RANGE pH Test Kit measures pH changes in marine tanks, tanks containing African cichlid fish, and very alkaline tap water.

The API HIGH RANGE pH Test Kit reads pH levels in water within the high range of 7.4 to 8.8, and includes one bottle of test solution and one test tube.

Contains 160 tests and includes 1 test bottle, easy-to-read instructions, a glass test tube, and a color chart.