API GH and KH Test Kit Temperature Control 78”L x 13

78”L x 13

Phaffia Yeast

water treatments

Alfalfa Meal

Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish

API GH and KH Test Kit Temperature Control 78”L x 13Keep your fish healthy and thriving by testing your aquarium water's GH levels regularly with this easy to use API GH & KH TEST KIT for freshwater aquariums. Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Water hardness is a measure of the dissolved mineral content of water. There are two types: the general hardness (GH) and carbonate hardness (KH). When keeping freshwater fish and plants, the GH