ARM Calcium Reactor Media Coarse

Marsoni

M251S

$59.95

Get it in 3 business days with 1 day shipping. Friday, May 29

ARM Calcium Reactor Media CoarseARM Fine has nearly 50 times the strontium of other brands (7390 ppm). It also contains 381,000 ppm Calcium, 590,000 ppm Carbonate, and 1050 ppm Magnesium. ARM has the highest solubility of any reactor media available (metastable at 8. 2) so typical CO2 consumption is much lower.

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A lot smaller than I was expecting.. BUT my dog doesn’t mind at all. She seriously loves this thing. It goes flat fairly quickly, but that’s what happens with all of her soccer balls, no matter the size. She’s a pitbul catahoula mix and has a strong bite. Considering my dogs chewing abilities, I’m fairly impressed by the durability of the ball, though she chewed through all but one of the rope handles in about 2 seconds. All that said, it’s one of her favorite toys(she’s 13 years old)

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Reviewed in the United States on April 21, 2026