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Product no.: 118082
ARM™ EXTRA COARSE
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:416000 ppm Calcium,577000 ppm Carbonate,3300 ppm Strontium,1400 ppm Magnesium,56 ppm Potassium.About 70 pounds per cubic foot1 gal (00531),
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