The Pinnacle of Hang-On-Back Filtration

The Reef Octopus Classic 90 HOB skimmer takes a completely different approach to HOB skimmers, featuring a cylindrical main body and capable of filtering aquariums up to 130 gallons. The Classic 90-HOB intake device skims the water surface, removing unsightly oil buildup and organics that would otherwise accumulate and block light penetration. A cylindrical reaction chamber, the bubble chamber, and the conical transition from the body to the neck all work together to handle the air gently and reduce turbulence, ensuring stable filtration performance. Best of all, the Classic 90-HOB is very easy to set up and operate.

Key Features & Benefits:

Easy Hang-On-Back Installation - No sump required, fits most tank configurations
Cylindrical Profile Body - Compatible with most aquariums up to 130 gallons and features a traditional style collection cup with a drain
Aquatrance Pinwheel Pump - Advanced technology for optimal air-water mixing
Quiet Operation - Includes air silencer and turbulence reducing bubble plate
Premium Acrylic Construction - Durable, clear visibility for performance monitoring with precision control output valve
Professional Results - Removes proteins and dissolved organics before breakdown
Reef & Fish Safe - Promotes coral growth and maintains fish health

Technical Specifications:

Recommended Tank Size: Up to 130 gallons
Body Size: 4in
Footprint: 7.5in x 7.5in
Total Height: 23.8in
Installation Type: Hang-on-back (HOB)
Pump Type: Aquatrance 1000s pinwheel pump
Material: High-quality acrylic construction
Mounting: Rear or side tank mounting; pump mounted externally
Sump Required: No

What's Included:

Reef Octopus Classic 90 HOB Protein Skimmer
Aquatrance Pinwheel Pump
Intake Strainer
Installation Hardware
Setup Instructions

Bioload Handling:

The bioload of an aquarium refers to its ability to process waste in proportion to tank volume. Protein skimmers work best when properly matched with the bioload of the system.

(EXCLUDING SUMP)

Heavy
Medium
Light

60 gallons
80 gallons
130 gallons

Reef Octopus Aquatrance 1000s Pinwheel Pump Information:

Wattage: 9w (60Hz)
Air Draw: 420 lph / 15 SCFH*
Water Draw: 350 lph / 92 GPH*
*Air and water results will vary depending on aquarium setup

WARRANTY

CoralVue, Inc. and Reef Octopus hereby guarantee this product to be free from defects in material and workmanship for a period of:

Five (5) year warranty on pump body/housing
Three (3) year warranty on Reef Octopus branded controller
One (1) year warranty on Power Supply, Impeller (and components), Rotor, Rear Bushing, and Gaskets

Warranty is activated on the date of purchase.

This Standard Limited Warranty applies and is limited as follows:

To the product only as long as it remains in the possession of the original purchaser.
To the product that has not been subject to accident, misuse or abuse.
To the product that has not been modified, altered, defaced, or had repairs made or attempted by other than CoralVue, Inc.
That CoralVue be immediately notified in writing within ten (10) days of first knowledge of defect by owner or his agent.
That CoralVue, Inc. shall be given first opportunity to make any repairs, replacements or corrections to the defective construction within a reasonable period of time.
Under no circumstances shall CoralVue and/or the Manufacturer be liable by virtue of this warranty or otherwise for damage to any person or property whatsoever for any special, indirect, secondary or consequential damages of any nature however arising out of the use or inability to use because of the product defect.

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Reef Octopus CLASSIC HOB 90 PROTEIN SKIMMER

The Pinnacle of Hang-On-Back Filtration

WARRANTY