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 foot
1 gal (00531), 50 lb (00551)
Additional information
| Weight | 8 lbs |
|---|---|
| Dimensions | 5.6 × 5.1 × 10 in |
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