Properly maintaining calcium, magnesium and alkalinity levels in the reef aquarium is very important and AquaNerd would like to know how you replace Ca, Mg, and Alk levels.
Scott Groseclose is the owner of AquaNerd, Aquarium Specialty, Aqua Specialty Wholesale, BioTek Marine, & The Carolina Reef Experience. He has a degree in Biology from St. Andrews University and he has been a passionate reef keeper since 1988.