Classic 90HOB Hang On Back Protein Skimmer

Classic 90 HOB Protein Skimmer


Ideal Hang-On-Back Skimmer Rated for up to 130 Gallons

Footprint: 7.5″ x 7.5″ | Body Diameter: 4″ | Height: 23.8″ 
Powered by: Reef Octopus Aquatrance 1000s Pinwheel Pump


The pinnacle of Hang-On-Back Filtration

The Reef Octopus Classic 90 HOB skimmer is totally different approach to HOB skimmers as it has a cylindrically main body and is capable filtering aquariums up to 130 gallons. The Classic 90HOB intake device skims the top of the water surface removing the ugly oil buildup and organics from the water surface that would otherwise accumulate and hinder light penetration.

A cylindrical reaction chamber, the bubble chamber and conical body to neck transition all help manage the air gently and reducing turbulence providing stable filtration performance. Best of all the Classic 90HOB is very easy to be set up and easier to operate.


Technical Specs

Body Size: 4in  
Footprint: 7.5in x 7.5in
Total Height: 23.8in 

Pump Information

Reef Octopus Aquatrance 1000s Pinwheel Pump
Wattage: 9w
Air Draw: 420 lph / 15 SCFH* 
Water Draw: 350 lph / 92 GPH*
*Air and water results will vary depending on aquarium setup


- Two(2) year on pump body
- One(1) year on pump rotor
- One(1) year on Skimmer Body

Reef Octopus can not be responsible for consequential damages arising from installation or use of this product. Reef Octopus warrants the pump to be free from defects in material and workmanship under normal use and conditions for the warranty period from the date of purchase.

CoralVue liability under this warranty shall be limited to repairing or replacing at CoralVue’s discretion, without charge. CoralVue will not be liable for any cost of removal, installation, transportation, or any other charges which may arise in a warranty claim.

*Reef Octopus reserves the right to change/modify this product without notice.


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