Reef Complete 500 mL / 17 fl. oz.

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. Calcium and carbonates are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health. To prevent this you must provide calcium (Reef Complete®) and carbonates (Reef Builder™ or Reef Carbonate™).

Liquid ionic calcium source. 160,000 mg/L (most concentrated on the market) vs. 100,000 mg/L. 100% soluble. Be wary of products that are milky white or need to be shaken.