ARM Extra Coarse – is a high magnesium reactor media. ARM Extra Coarse is still a complete reactor media containing not only calcium and carbonate, but
essential trace elements as well.
Contains:
381000 ppm Calcium
590000 ppm Carbonate
7390 ppm Strontium
1050 ppm Magnesium
56 ppm Potassium
About 70 pounds per cubic foot – Available in 5.4 kg and 22.68 kg
