Brightwell - Reef Code A

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Description Simplifies calcium and alkalinity maintenance in your aquarium tank. The calcium-bearing component of a two-part method for dosing calcium and carbonates in the same ra tio as that found in natural seawater; to be used in conjunction with Reef Code B. Benefits reef-building organisms such as corals, clams, and calcareous algae. Contains no phosphate, silicate, or organic material. Made in the USA. Show more