Overview The Brightwell Reef Code 2-part Calcium / Alkalinity dosing method improves and treats corals, clams, reef-building organisms, calcareous algae, and other alkalinity sensitive organisms. It’s easy and cost effective: just mix Reef Code A-P with Reef Code B-P, and your aquarium will reach that crucial balance needed to thrive. It’s free of phosphate, silicate, or organic material.
Reef Code B-P is the alkaline bearing component of this 2-part dose.
