Brightwell Reef Code A&B-P 2x 250 grams Calcium and Alkalinity Powder

Of purified fresh water; each ml of the solution will increase the calcium concentration (“[Ca2+]”) in 1 US-gallon (3.785 L) of water by ~20 ppm. [Reference: Each g of REEF CŌDE A-P will increase the [Ca2+] in 1 US-gallon (3.785 L) of water by ~87 ppm.].

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