API Gh and Kh Test Kit

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Description: API Gh and Kh Test Kit - Test your freshwater aquarium for Gh and Kh levels. Scientifically accurate for professional results Tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps detect stress on fish caused by rapid pH shifts, which result from low KH levels and helps aquarists duplicate the natural habitat of their fish. Show more