Seachem Reef Builder, 4 kg / 8.8 lbs

Raises Carbonate Alkalinity In The Reef Aquarium Without Immediate Impact On Ph. With Long Term Use Reef Builder Will Stabilize Ph. Carbonates and calcium are essential to all coral growth, if either becomes deficient, coral growth will cease, followed by a rapid decline in health Used As Directed, Reef Builder Will Not Deplete Calcium, Magnesium, Or Strontium Which Usually Tend To Precipitate With Increasing Alkalinity