BioChurn 90ext Hang On Reactor

BioChurn 90ext HOB Reactor

  • SKU: OCT-BC90E

Rated up to: 100Gallons

Holds: 400ml | Dim: 8.7″ x 4.53″ | Body Diameter: Ф4″ | Height: 16.15″ 
Feed pump: Aquatrance AQ-800


Hang On Back External Churn Motion Fluidizing Biopellet Reactor

Reef Octopus BioChurn Biopellet reactor series take a new approach of efficiently fluidizing the biopellet media without blasting the media itself with direct flow pressure. The unique motion these innovative reactors produce allow for much greater suspension of the media in a cyclone "churn" style motion created with their patent pending churn plate. The BioChurn Reactors come in Four Series including the in-sump, External/Recirculating and the Commercial line. For the ultimate control of PO4 & NO3 look no further than the BioChurn.

The Reef Octopus in-sump BioChurn Reactors come with an Aquatrance pump that feeds the reactor as well disperses the media into suspension. These models are ideal for those that want a simple reactor that is easy to use and maintain. The cascading design allow for greater surface area for bacteria to colonize while the delicate churn motion of the pellets allow for extended contact time between the nutrient rich aquarium water and the biopellet media.


Recommended Aquariums ~100 Gallons

Technical Specs

Capacity: ~400ml*
Diameter: Ф4″  | Height: 16.15″
Footprint: 8.7″ x 4.53″ 

Pump Information

Aquatrance 800
Wattage: 7w
Max Water Flow: 240gph 

- BioSphere Media

Warranty - One (1) year warranty on reactor body two (2) year on Aquatrance pump/one (1) year rotor .

*depends on brand of BioPellet media used.
Note: BioSphere media recommended


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