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Ca, Mg, Sr, K, Br Component of Coral8 Yin and Yang Complementary Coral Culture System; pair with Coral8 Yang. Coral8 system provides calcium, strontium, magnesium, potassium, and alkalinity (maximum pH value of ~8.40). A simplified approach to encouraging aragonite formation in closed circulation marine ecosystems.

Coral8 Yin 250 mL