API Test Kit - KH Carbonate Hardness

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Tests tap water and fresh or saltwater aquariums for carbonate hardness (KH), which is the measure of dissolved carbonate and bicarbonate ion concentrations. Helps prevent stress o n fish caused by rapid pH shifts, the result of low levels of KH. Helps aquarists duplicate the natural habitat of aquarium fish, thereby providing a healthful aquarium environment. Can be used to determine the proper dose of pH buffers. Show more