Provides calcium needed for proper growth and health of corals and other reef invertebrates. Restores calcium essential for healthier, more colorful corals and reef invertebrates including snails, shrimp, crabs, clams, mollusks, as well as coralline algae. Use whenever testing shows a calcium level ..
Calcium, strontium and carbonate hardness supplementSupplies biologically-accessible calcium, strontium and hydrogencarbonate in balanced proportions.Contains 2 components, which react after application to calciumhydrogencarbonate, sodiumchloride and strontium complexes.Contains no unwanted ions whi..