
Sera Marin Component 6 Magnesium 500 ml (16.9 fl. oz.)
Sera Marin Component 6 Magnesium [ Mg ] contains important magnesium as required by live coral.
Magnesium and calcium must be present in a balanced ratio for the optimal growth of corals and other invertebrates. The magnesium level should not be below 1,300 mg/l (ppm). The sera Mg-Test kit provides information about the magnesium level.For use in coral reef aquariums only. Not for human consumption.
500 ml (16.9 fl. oz.)