API® GH & KH Test Kit - General and Carbonate Hardness Test Kit Aeration Pond Size 1 - 4 Acre magnesium and other trace elements

magnesium and other trace elements for improved bone and scale growth of Koi and Goldfish

Cold winters make it difficult to mix the DB in pond water

Dimensions:  13" Dia x 14 1/2"T

AQUARIUS 325-480

For each of the three main applications (Spring Prep

API® GH & KH Test Kit - General and Carbonate Hardness Test Kit Aeration Pond Size 1 - 4 Acre magnesium and other trace elementsKeep 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