Calcium is one of the major components in the structure of coral skeletons and shells of many marine animals including giant clams and snails. Magnesium is required to keep high concentrations of calcium available in aquarium water.
Aqua One Calcium and Magnesium is formulated to keep a balance of these two minerals in the marine aquarium.
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I had some very tricky requests when I installed my pond, but Majestic stuck with me until I got it right. Its so good to find some good old fasion service still alive today. - Darryl Ward