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One of the most trusted media for calcium reactors in the industry. The media is a complete solution which includes both calcium and carbonate as well as essential trace elements.
Extra Coarse – Largest size granules and the least likely to clog equipment which results in the lowest maintenance option.
ARM Coarse Reactor Media contains calcium, carbonate, and trace elements.
Nearly 50x the Strontium of other brands (7390ppm)
Precision grading allows for maximum carbon dioxide penetration
No gastropod shells means the lowest phosphate content (less than 1/10th of 1ppm)
Highest solubility of any reactor media (metastable at 8.2)