Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution, 1 color card and 2 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 & 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
Use for weekly monitoring and when water or fish problems appear
