API High Range pH Test Kit measures the acidity of the water. A pH reading of 7.0 is neutral, a pH higher than 7.0 is alkaline and a pH lower than 7.0 is acidic. Use to measure pH changes in marine aquariums, aquariums with African cichlids, and very alkaline tap water. Reads the pH of water within the high range of 7.4 to 8.8.
- 160 Tests
- Measures levels from 7.4 to 8.8