API Carbonate Hardness Test Kit (KH)
Regular price $8.98 Save Liquid error (snippets/product-template line 131): Computation results in '-Infinity'%/
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Tests tap water that is used in fresh or saltwater aquariums for carbonate hardness (KH). helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants. Carbonate hardness stabilizes aquarium pH and can be used to determine the proper dose of pH buffers.