API® GH & KH Test Kit - General and Carbonate Hardness Test Kit Savio Replacement Filter Media What is the benefit of

What is the benefit of a moving bed

patented connection of optional filter accessories for debris supply from more distant pond zones

apply two 1 oz

Neutralizes large concentrations of toxic ammonia

API® GH & KH Test Kit - General and Carbonate Hardness Test Kit Savio Replacement Filter Media What is the benefit ofKeep 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. Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution and 2 test