Best in 7 days
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Description
Reef Octopus VarioS CR140 Calcium ReactorA calcium reactor is essentially a chamber full of aragonite, which is the crushed skeleton of ancient hard corals. Aquarium water is pumped through this chamber along with pressurized carbon dioxide (CO2). The CO2 lowers the pH in the chamber to an acidic level which dissolves aragonite media into the aquarium water. In addition to dissolving the calcium, this process also dissolves nearly all the minerals and trace elements the coral used in order
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.5 ★★★★★
Based on 724 reviews
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Product Reviews
★★★★★ 5
Lasts Great With a Heavy Chewer
We have had this for two weeks now, and our Pitbull has yet to destroy it. He normally destroys other chews in minutes. Great value, top quality, keeps him well occupied and does not squeak excessively. Seems to have good chewability. Size seems perfect for our 75 lb. Pitty.
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Reviewed in the United States on March 6, 2025
★★★★★ 5
Dogs loved
The dogs couldn’t wait to get their choppers on this one. Great for cleaning their teeth even reaching in the back no odor
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Reviewed in the United States on May 3, 2026
★★★★★ 3
Dog chew
Doesn’t really help my dogs teeth he doesn’t seem to care of it. It is a good quality and sturdy maybe it’s just my dog
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Reviewed in the United States on September 23, 2025
★★★★★ 1
Too big for small dogs. Very misleading claim
This is NOT for small dogs! My 13 lb Morkie couldn’t get her mouth around it and I gave it to my daughter’s dog who is more like 20 lbs.
I need a chew toy like this to put dental paste in that she can use to clean her teeth while she chews. I have an old one it but it’s getting worn. I wish I could find a replacement.
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Reviewed in the United States on July 4, 2025
★★★★★ 5
Well done
Amazing. Not that my dog chews it but it can be used as a bully/colligen/yak chew holder. & it is softer when it hits the floor. Well made. Not exactly as it was intended or advertised but excellent.
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Reviewed in the United States on June 12, 2026
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