The Aquarium Pharmaceuticals (API) KH Carbonate Hardness Test Kit tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Can be used to determine the proper dose of pH buffers.
The Aquarium Pharmaceuticals (API) KH Carbonate Hardness Test Kit tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Can be used to determine the proper dose of pH buffers.