Suplemento De Cálcio Red Sea Reef Foundation A (ca/sr) 1kg... If dosing weekly you should test all of the foundation elements monthly and make adjustments with the individual A, B & C supplements. Reef Foundation Instructions Red Sea Reef Foundation Manual Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons. All of these elements need to be available in balanced proportions for positive coral health and growth. For best results, dose according to a measured uptake of Calcium KH/Alkalinity and Magnesium using Red Sea's FoundationTM Pro multi test kit Concentration: 1g will raise the Ca level of 100 liters (25 gal) by 1.5ppm Calcium Powder Red Sea Foundation A Calcium 1kg – Williamstown Aquarium Coral Calcium Calcium+ Supplement, Calcium and Strontium complex for balanced formation of the coral skeleton, Itu2019s all in the balance, Calcium, Magnesium...