Brightwell Reef Code B Calcuim Part 8.5 oz. 250 ml.

The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (buferring capacity) in the same ratio as that found in natural seawater. Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Code A. Benefits reef-building organisms such as corals, clams, calcareous algae, etc. Simplifies calcium and alkalinity maintenance. Stronger than most competing products. Contains no phosphate, silicate, or organic material. Formulated by a marine scientist. Royal Item Number: ABARCB250