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This highly concentrated ionic calcium solution from Brightwell Aquatics increases the concentration of calcium in marine aquariums to provide corals and other reef-building invertebrates with one of the most important elements required for growth.
Calcion is free of phosphate, silicate and organic material. 500-mL bottle treats 5,000 gal.
International customers: Check with your customs agent to determine whether this product can be shipped to your country.