The ideal source of both calcium carbonate for the corals and carbon dioxide for the zooxanthellae. When Bio-Calcium is dissolved in the aquarium, all 70 trace elements are added and no unnatural by-products are formed. Bio-Calcium powder gets added directly to the flow of water in the sump, refugium or aquarium and cannot be premixed into a concentrated liquid.
-21%
Tropic Marin 26041 Bio-Calcium 20lb – Default Title
$48.62 Save:$13.00(21%)
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