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CaribSea · Filter

1 Gallon ARM Reactor Media - Coarse

CaribSea ARM (Aragonite Reactor Media) in coarse grade is a complete calcium reactor media supplying calcium, carbonate, and trace elements to maintain calcium and alkalinity in reef aquariums. The coarse 0.25-0.5" granules resist clogging and allow maximum CO2 penetration, contain nearly 50x the strontium of competing brands (7390 ppm), have very low phosphate content, and dissolve at the highest solubility of any reactor media, and it is sold by volume in 1-gallon containers (about 8-10 lbs).

Price: $26.71 USD

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