Regular use of Fluval Sea Calcium helps offset the constant depletion of calcium by coral, coralline algae and other invertebrate growth. Fluval Sea Calcium contains USP (pharmaceutical-grade) calcium chloride, which ensures a high-quality, ultra-pure product free of unwanted contaminants. Fluval Sea Calcium does not contain gluconates, nitrates, or phosphates. SAVE when you purchase the Fluval Sea Calcium and Fluval Sea Alkalinity 16 oz Duo Pack, which includes one 16 fl oz bottle of each supplement. Shop all Reef Supplements. Please click on "More Information" for ingredients, guaranteed analysis, usage instructions, and additional product details. | ||||||










