*May exclude certain brands.
**May not be combined with any other offer.
Code expires Saturday, March 29th 2014
Brightwell Aquatics Reef Code A by Brightwell Aquatics will simplify calcium and alkalinity in your marine aquarium with this unique additive.
Part A's advanced solution is the calcium component of a two-part method for dosing calcium and carbonates in the same ratios that are present in natural seawater. Part A is ionically balanced in respect to natural seawater carbonate and calcium concentrations when used as directed with Reef Code B. Contains no silicate, phosphate or unwanted organic materials.