Description
When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat.
The API® GH & KH TEST KIT helps you duplicate t
When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat.
The API® GH & KH TEST KIT helps you duplicate t