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Purple-Up
Purple-Up uses a dual method approach to encourage coralline algae growth. By combining Ionic Calcium and 10 micron aragonite, Purple Up provides an immediate rise in your aquariums dissolved calcium levels and also delivers strontium, magnesium and carbonate right where it is needed. Purple-Up also replenishes iodine, which is an essential element for coralline algae tissues. 16 oz treats 50 gallons for up to 90 days.
