CaribSea A.R.M. Aragonite Reactor Media is a complete reactor media containing not only calcium and carbonate, but essential trace elements as well.

CaribSea A.R.M. Extra Coarse is a high magnesium reactor media. It also contains 275200 ppm calcium, 590000 ppm carbonate, 2200 ppm strontium, and 2000 ppm magnesium.

Features:

•     Highest solubility of any reactor media
•     Lower CO2 consumption
•     No phosphates or silicates
•     Graded and processed for immediate use, no rinsing required

1 Gallon