Seachem® Reef Builder? Raises Carbonate Alkalinity 300 Gm

Seachem Reef Builder Fish & Aquatic Life Saltwater TreatmentFor more than 30 years aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Help your reef thrive with Seachem Reef Builder. It raises carbonate alkalinity with minimal impact on pH. Seachem Reef Builder will not deplete calcium magnesium or strontium.