Helps create a more natural habitat
Prevent stress, keeping them healthy
Ideal for planted aquariums
General and carbonate hardness
Liquid test for freshwater

 
 API GH and KH Test Kit help you duplicate the natural habitat of your fish to prevent stress, keeping them healthy. When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat.