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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Reef Octopus CR100 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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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 546 reviews
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Product Reviews
★★★★★ 5
Is it to install looks better
Color: CA9683
Pitch Perfect, seems like it breathed better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
★★★★★ 5
Es de buena calidad
Color: CA9683
Muy buena calidad
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Reviewed in the United States on January 30, 2026
★★★★★ 5
Save on filters forever
Color: CA9683
A perfect replacement for my auto' expensive paper filter. With a little care it will outlast the car
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 18, 2025
★★★★★ 5
Quality
Color: CA9683
Definitely a improvement from Oem, have it on both Fj and Tacoma, feels so much better driving
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Reviewed in the United States on September 15, 2025
★★★★★ 5
It works
Color: CA9683
No complaints
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Reviewed in the United States on October 4, 2025
