Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
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Description
Reef Octopus VarioS CR200 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
4.2 ★★★★★
Based on 2122 reviews
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Product Reviews
★★★★★ 5
Tough
Size: Jumbo, Style: Peanut Butter
Great for chewers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
★★★★★ 5
It takes her 29 to 30 minutes to chew one up
Flavor Name: Peanut Butter, Size: 7.28 Ounce (Pack of 1)
They are great for my German Shepherd puppy. She loves her daily dental treat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
Keeps puppy busy for a little while so you get a break.
Flavor Name: Peanut Butter, Size: 7.28 Ounce (Pack of 1)
My foster puppy loves them. It satisfies her chewing craving.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
A
Flavor Name: Peanut Butter, Size: 7.28 Ounce (Pack of 1)
Great Saved me from puppy biting
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Not great for durability
Flavor Name: Peanut Butter, Size: 7.28 Ounce (Pack of 1)
Really nice
Wish they lasted longer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
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