Reef Octopus Classic 200ext Recirculating Protein Skimmer

Sku: CV-200EXT

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Reef Octopus Classic 200ext Recirculating Protein Skimmer

Sku: CV-200EXT


Availability: Factory Direct - Usually Ships Out Within 1-2 Days

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Footprint: 14.2" x 14.2" | Body Diameter: 8" | Height: 27.75"
Powered by: Reef OctopusAquatrance 3000s Pinwheel Pump
- Requires a 400-600GPH Feed Pump to Operate

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HEAVY 180 gallons

MEDIUM 220 gallons

LIGHT 300 gallons

  • Recirculating Design for Enhanced Control & Performance
  • Reef Octopus Aquatrance 3000s Skimmer Pump
  • Effective Venturi Air Injection System
  • Refined Hybrid (half cone) Skimmer Body
  • Easy to Remove Cup with Drain
  • Precision Water Level Control Output Valve
  • Air Silencer
  • Solid Acrylic Construction


As one of the Reef Octopus Classic Series skimmers, this 200ext is an recirculating external protein skimmer that will provide great performance with the enhanced control for marine aquariums up to 300 gallons.

The Classic 200ext is hand crafted of high quality cast acrylic, o-ring sealed union pump mount, bubble diffuser with performance provided by the efficient Reef Octopus Aquatrance 3000s Skimmer Recirculation Pump.

The skimmer features a recirculation mounted pump with a precision gate valve for optimizing the water level within the protein skimmer. The collection cup has a quick release neck for easy removal for cleaning.

Key Benefits found on the Classic 200ext Skimmer

  • Recirculating Design enhances performance and control
  • Bubble Diffusing Chamber and Hybrid Bodythat naturally reduces and stabilizes the foam production;This means less turbulence in the neck area and more contact time for organics to rise and collect
  • Oversized Air Silencerfor quiet operation and airline mount
  • Collection Cupwith flow directional guide, drain and unit venting
  • Precision Controlwith the easy to turn output flow valve
  • Efficient Power provided by the Reef Octopus Aquatrance 3000s pinwheel pump


Body Size: 8in 
Footprint: 14.2in x 14.2in
Neck Size: 4.7in 
Total Height: 27.75in
Output Size: 50mm/1.5in pvc 
Output Height:
Inlet Size: 3/4in
Max Feed Rate: 790GPH

The Reef Octopus Classic 200ext protein skimmer uses high grade metric plumbing parts and includes US standard plumbing adapters for ease of installation.

Note:This skimmer requires an additional plumbing and feed pump with the suggest feed rate of 1.5-2 times the total system volume.

Pump Information

Reef Octopus Aquatrance 3000s Pinwheel Pump
Power Consumption: 35watts
Air Draw: 880 lph / 31SCFH*
Water Draw: 211gph
*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.

Additional Information

Additional Information

Manual No
Product Specs


Manufacturer Reef Octopus


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