Reef Octopus

BioChurn 90INT Biopellet Reactor with HOB Bracket

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The BioChurn 90INT Biopellet Reactor by Reef Octopus has a unique cascading design to allow for greater surface area to help bacteria colonize plus a patent pending churn plate to gently fluidize media.

  • Rated for aquariums up to 100 gallons
  • Cyclone churning motion for media suspension
  • Equipped with Aquatrance AQ-800 feed pump
  • Internal with hanging bracket


    • Solid construction
    • Cascading design - allows for greater surface area for bacteria to colonize
    • Patent pending churning plate - suspends media for more contact with nutrient rich aquarium water
    • Easy to maintain upper containment plate
    • Equipped with feed pump

    Reactor Specifications:

    • Capacity: approx. 400 mL
    • Diameter: 4”
    • Height: 14.6”
    • Footprint: 8.7” x 4.53"

      • Aquatrance 800 Pump Features:

        • Power Consumption: 7 Watts
        • Max Water Flow: 240 GPH

        Manufacturer's Warranty

        • 1 year on reactor body
        • 2 year on Aquatrance pump
        • 1 year on rotor

        Item #: OCT-BC90int

    More Information
    UPC 6950291220059
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    Product Questions

    IS there a way to control the flow of the pump?
    Question by: Lawrence on Jan 31, 2022, 4:26 PM
    This pump is not controllable.
    Answer by: Matt Lucero (BRS Staff) on Feb 2, 2022, 1:19 PM
    how many gallons is this good for?
    Question by: marlin on Feb 10, 2018, 6:34 AM
    Thanks for contacting BRS!
    This would work well for tanks up to 100 gallons in size. Have a great day!
    Answer by: Noah Winn on Feb 13, 2018, 2:15 PM