OmegaSea Premium Reef SaltOmegaSea Premium Reef Salt is scientifically formulated to match the chemical composition of natural seawater. Pharmaceutical grade blending and careful analytical testing ensure a superior seawater that will meet the most stringent needs of research scientists, public aquarists, and marine hobbyists. This formula contains incredibly low levels of moisture, so it mixes easier and produces 20% more seawater than traditional reef salt mixes. With no phosphates, no nitrates, and no added bromide, you can be sure that OmegaSea Premium Reef Salt will create a safe and healthy environment for you reef creatures. Enhanced alkalinity levels help you quickly reach and maintain the proper pH. Elevated calcium and magnesium levels encourage excellent coral growth and propogation.