Reef Octopus Classic 100 Hang-On Protein Skimmer up to 105 Gallons


The Classic 100-HOB is a proverbial favorite amongst hang-on back skimmer users capable of filtering aquariums up to 105 gallons. The Classic 100-HOB features an easy to install and operate design in which the pump is mounted inside the aquarium.

To install, simply place the skimmer on the back of the aquarium, mount the pump in place, adjust the intake strainer and it is ready to skim. The Reef Octopus Classic 1000-HOBis constructed of high-quality acrylic and equipped with the new highly efficient Aquatrance  pinwheel pump that produces an ideal mix of water and air for optimal waste removal.

Classic 100 Specifications:

  • Footprint: 8in x 3.25in
  • Total Height: 17in

Pump Information:

  • Reef Octopus Aquatrance 1000s Pinwheel Pump
  • Wattage: 9w
  • Air Draw: 420 lph / 15 SCFH*
  • Water Draw: 350 lph / 92 GPH*