Caribsea ARM COARSE Calcium Reactor Media 8 lbs. Calcium reactors have evolved into several types that require different media sizes. We now offer our original ARM fine for down-flow, slow up-flow, and fluidized bed type calcium reactors and our ARM coarse for rapid up-flow type reactors...
Caribsea ARM COARSE Calcium Reactor Media 8 lbs. Calcium reactors have evolved into several types that require different media sizes. We now offer our original ARM™ fine for down-flow, slow up-flow, and fluidized bed type calcium reactors and our ARM™ coarse for rapid up-flow type reactors. No matter the reactor, CaribSea has you covered.
Item No. CR-ARM-LG
2 Reviews
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Good product
Good media for calcium reactor
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A.R.M Media Coarse, Best
A.R.M are awesome, kept my Calcium and Alk up at where I wanted. The coarse grade media works best for me because it allow easy flows through them. I love them.
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Caribsea ARM COARSE Calcium Reactor Media 8 lbs. 
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