API KH Carbonate Hardness Test Kit for Freshwater & Saltwater

API KH Carbonate Hardness Test Kit measures carbonate hardness (KH) in tap water and freshwater or saltwater aquariums. Use it to monitor KH as part of routine water testing and when assessing the use of pH buffers. Follow the supplied instructions to perform the test and interpret results before making water adjustments.

Tests tap water fresh or saltwater aquariums for carbonate hardness (KH). Can be used to determine the proper dose of pH buffers.