Description
- Contains one API GH and KH Test Kit Freshwater Aquarium Water Test Kit, including two bottles of testing solution, one colour card and two glass test tubes with cap
- Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss
- Accurately measures GH and KH in freshwater aquariums
- Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy