The Fundamentals Pack combines those products essential for any reef (Reef Complete, Reef Carbonate, and Reef Plus). Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Reef Carbonate is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Reef Plus is a full spectrum supplement of trace components such as iodide, bromide, molybdenum, iron, manganese, cobalt, potassium, inositol, choline; important vitamins such as C and B12; and beneficial amino acids, such as cysteine, proline, glycine, alanine, and lysine. Package includes a 100ml bottle of each product.