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CaribSea ARM Extra Coarse Reactor Media contains calcium, carbonate, and trace elements.
One of the most trusted media for calcium reactors in the industry. The media is a complete solution that includes both calcium and carbonate as well as essential trace elements.
The media comes in three forms Small, Coarse, and Extra Coarse.
Note: All ARM media is packaged by volume in a 1-gallon container. Weights may vary from container to container.
Size: 3.8L