A.R.M. Coarse

Ultra high purity aragonite for calcium reactorsAragonite media suitable for all types of calcium reactor Replenishes calcium, carbonate alkalinity, and other elements for coral growthUse highly soluble Aragonite Reactor Media (A.R.M.) to supplement calcium, carbonate, and essential trace elements. Available in Fine for down-flow, slow up-flow, or fluidized bed type calcium reactors and Coarse for rapid up-flow type reactors. 1 gallon (approx 8 lbs). Requires CO2 system, sold separately.Aragonite Reactor Media requires less CO2 to provide usable calcium, carbonate, and essential trace elements - with almost no phosphate or silicate. Comes pre-graded and processed for immediate use with no rinsing required. 1 gallon (approx. 8 pounds) plastic, easy-grip container. Please see "More Information" for product specifications.