Reef Octopus

Classic 90 Hang-on-Back Protein Skimmer (OPEN BOX)

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$247.39 $291.05

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Unique skimmer design with cylindrical body which uses the siphon to feed water to the skimmer. This reduces the load on the pump while increasing the air intake.

  • Rated for aquariums up to 100 gallons
  • Powered by Aquatrance 1000 Pinwheel Pump
  • Design reduces turbulence
  • Capable of surface skimming
  • Collection cup is easy to remove to empty


Well Stocked Tank - Rated up to 75 gallons

Medium Stocked Tank - Rated up to 90 gallons

Light Stocked Tank - Rated up to 100 gallons


Skimmer Features:

  • Traditional body design
  • Air silencer
  • Pump mounted externally on skimmer
  • Easily remove collection cup for cleaning
  • Solid construction
  • Control - precision output valve
  • Removable turbulence reducing bubble plate


Skimmer Specifications

  • Body Size: 4"
  • Footprint: 7.5" x 7.5"
  • Total Height: 23.8"


Aquatrance 1000s Pinwheel Pump Features:

  • Power Consumption: 9 Watts
  • Air Draw: 420 lph/15 SCFH*
  • Water Draw: 350 lph/92 GPH*

*Aquarium set up will determine air and water results.



  • 2 year warranty on pump
  • 1 year on skimmer body


Reef Octopus Classic 90 HOB Protein Skimmer Manual

Item #: OCT-BH90

More Information
Skimmer Type Hang On Back
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