API High Range pH Test Kit 27 API High Range pH Test Kit for Freshwater and Saltwater 160 Tests Customer Rating  N/A Add Review Ask Question $8.95 Qty : < > Product Description Reviews (0) (View All) Questions (View All) 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 Add Review There are no reviews for this product. Ask Question There are no questions asked for this product. Ok