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Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
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Description
Reef Octopus 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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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 537 reviews
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Product Reviews
★★★★★ 5
Delicious!
Size: 1 Pound (Pack of 1)
Dog approved
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 5
Very good
Size: 1 Pound (Pack of 1)
There are two companies that have very little ingredients and this is one of them. I only buy dog treats that are made in the USA very little ingredients for a 1 pound bag so far this is the least expensive I need as small as I can get because I have a Golden and he doesn’t care whether he gets a tiny bit or 25 pound turkey. He wants more so the smaller they are the better it is for me. It must also be made in the USA and have very little ingredients right now. This is it.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
My dogs favorite . I buy them regularly.
Size: 1 Pound (Pack of 1)
Glad these are available again. My dogs love these . Not cheap but made in America.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Great Small Dog Treat
Size: 1 Pound (Pack of 1)
The product arrived quickly and my dogs love them. The price is up, but what isn't.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Good treat for your puppy.
Size: 1 Pound (Pack of 1)
My puppy loves them !
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Reviewed in the United States on February 21, 2026
