Sera Marin Component 5 Strontium 500 ml (16.9 fl. oz.)
Sera Marin Component 5 Strontium [ Sr ] contains important strontium as required by live coral.Along with the macro elements magnesium and calcium, strontium is an important component of corals and other invertebrates and needs to be supplied regularly.
For use in coral reef aquariums only. Not for human consumption.
500 ml (16.9 fl. oz.)
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