Not a trace element replacement, algaecide, fertilizer or medicament. Makes necessary trace elements more bioavailable to aquatic life. Makes inorganic mixes of trace element salts bioavailable as marine life needs it.

I recommend using as directed for the first 30 days then dose once a week right after a water change.

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.

I only recommend using this product as directed during a tank cycling period before any livestock is in your tank.