Reef Advantage Calcium is a non-caustic
(pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain
calcium to levels found in natural seawater. 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 Advantage Calcium) and carbonates (Reef Builder or Reef
Reef Advantage Calcium also includes magnesium and strontium in amounts
proportionate to typical utilization ratios.