The Reef Octopus CLSC-2000HOB is a hang-on-back protein skimmer engineered for marine aquariums up to approximately 200 gallons. It features an external pump mount to minimize footprint and heat transfer into the aquarium water. Built from high-quality acrylic, the skimmer comes equipped with the Aquatrance 2000s pinwheel pump and a smart venturi air-mixing system to deliver efficient, quiet performance while reducing organic load and maintaining water clarity.
Why You’ll Love It:
Rated for marine aquariums up to 200 gallons
Hang-on-back design with external pump mounting for minimal space use behind the tank
Equipped with Aquatrance 2000s pinwheel pump and advanced venturi injection for efficient foam production
Durable acrylic construction and easy-to-service design for long-term use
Ideal for reef and fish-only systems where footprint and heat management matter
