API High Range pH Aquarium Test Kit - 160 Tests

This is a API High Range pH Aquarium Test Kit - 160 Tests. 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.