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Looking to buy a replacement part without a business account? Visit CoralVue's new Outlet and Parts Store.

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Octo Protein Skimmers
HOB - Hang On Back Skimmers
Classic 100 HOB Protein Skimmer

Classic 100 HOB Protein Skimmer

Name: Classic 100 HOB Protein Skimmer
SKU: CLSC-100HOB
Price: 318.99 USD

Reef Octopus

SKU

CLSC-100HOB

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$318.99

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Hang-On-Back Skimmer for aquariums up to 105 Gallons

Footprint: 8" x 3.75" | Height: 17"
Pump: Reef Octopus Aquatrance 1000s

Available in Stores

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Overview

Hang-On-Back Design for Marine Aquariums Up to 105 Gallons

The Reef Octopus Classic 100 HOB is a hang-on-back protein skimmer designed for marine aquariums up to 105 gallons, featuring an advanced Aquatrance pinwheel pump for superior waste removal. Installation is effortless with no sump required; attach to your tank's back or side, connect the pump, and enjoy professional-grade water filtration. Built from durable acrylic construction, this trusted skimmer removes dissolved organics and proteins before they break down, promoting healthier fish and vibrant coral growth.

Key Features & Benefits:

Easy Hang-On-Back Installation - No sump required, fits most tank configurations
Low Profile Body - Compatible with most aquariums up to 105 gallons
Aquatrance Pinwheel Pump - Advanced technology for optimal air-water mixing
Quiet Operation - Includes air silencer
Premium Acrylic Construction - Durable, clear visibility for performance monitoring
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 105 gallons
Footprint: 8in x 3.25in
Total Height: 17in
Installation Type: Hang-on-back (HOB)
Pump Type: Aquatrance 1000s pinwheel pump
Material: High-quality acrylic construction
Mounting: Rear or side tank mounting
Sump Required: No

What's Included:

Reef Octopus Classic 100 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

55 gallons
75 gallons
105 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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