Comprehensive, inorganic supplement designed to safely restore calcium, strontium, and magnesium in reef and saltwater aquariums alike. Concentrated optimized blend of ionic calcium replenishes and maintains calcium to levels found in natural seawater without affecting pH. Also contains magnesium and strontium in proper proportions for convenient one-step supplementation to ensure healthy coral growth. Use alone or in conjunction with Reef Calcium for optimum results. 1 ml delivers 160 mg of calcium. 250 ml treats approximately 1,000 gallons.
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