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. It may be used as a food supplement. It complements Reef Complete™ and Reef Calcium™. It is a concentrated product: each 500 mL treats 8,000 L (2,000 gallons).