The Freshwater Hardness GH & KH Test Kit tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH).

• General & carbonate hardness test kit
• Monitor GH & KH to create a more natural habitat
• For Freshwater aquariums

The Freshwater Hardness GH & KH Test Kit 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.