Use to measure pH adjustments in marine aquariums, aquariums with African chchlids, and really alkaline faucet water. Reads the pH of water inside the prime vary of 7.4 to 8.8. 250 tests per kit.
Incorporates 160 tests
Reads the pH of water from 7.4 to 8.8
Incorporates colour chart, transparent directions and glass tube(s)