CaribSea ARM Reactor Media - 1 Gallon Coarse Brand_Fluval each has been re-designed and

each has been re-designed and strengthened

For ponds  500 to 1500 U

FW and SW safe

you can trust Nature’s Miracle products to undo

Recommended on a glass thickness of 3/16" or 5mm

CaribSea ARM Reactor Media - 1 Gallon Coarse Brand_Fluval each has been re-designed andARM With the highest solubility of any reactor media available (metastable at 8. 2) its typical CO2 consumption is much lower. ARM COARSE A complete reactor media containing not only calcium and carbonate, but essential trace elements as well. In fact, A. R. M. has nearly 50 times the strontium of other brands. It is processed for immediate use with no rinsing required, has double the surface area of regular aragonite and features precision grading