Magnesium and its effect on coralline algae

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Since magnesium is a component of the pigment chlorphyll, it is required for all pigmented algae. Magnesium is also required for the formation of the enzyme catalase (Round, 1965), which serves the protective function of breaking down hydrogen peroxide into oxygen and water. Magnesium is unlikely to be a factor limiting the growth of algae in seawater aquariums due to its high concentration in seawater.

Via Living Reefs

                                         

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