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Reef Octopus Classic 110 In Sump Protein Skimmer

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Other Details

Tank Rating:
50-120 gallons
Skimmer Style:

Product Description


The most popular Reef Octopus Skimmer line is the Classic series, and the Classic 110 by Reef Octopus is the best selling skimmer in the hobby!  As one of the Reef Octopus Classic Series skimmers, this Classic 110 will provide great performance for well stocked aquarium up to 75 gallons. It is constructed from high quality cast acrylic, o-ring sealed union pump mount, bubble diffuser top not craftsmanship powered by the Octopus Aquatrance Skimmer pumps. The skimmer bodies are built with high quality acrylic. The skimmer has a gate valve which allows for more precise control of water level. The collection cup has a quick release neck for easy removal for cleaning. It requires 1/2 inch of clearance to remove the cup. All Reef Octopus skimmers uses high grade metric plumbing parts.




  • High performance venturi air injection system
  • Refined hybrid (half cone) skimmer body for greater foamate stabilization & collection
  • Quick release o-ring sealed collection cup with drain. **
  • Air silencer for quiet operation
  • Precision water level control output valve
  • 1 year warranty on skimmer and pump 

Details on the Reef Octopus Classic 110 In Sump Skimmer

  • Powered by: Aquatrance Pump AQ-1000s
  • Wattage: 9w | Water processing: 120gph*
  • Air suction: 455 lph / 6.3 SCFH*


  • Body Size: 4.7″ Footprint: 10.6″ x 6.75″ 
  • Neck Size: 2.5″ Total Height: 19.75″
  • Output Size: 40mm Output Height: 7.5″
  • includes 1.25″ adapter
  • In-sump application only
  • Recommended sump water level: 6″-7.75″


Product Videos

Classic 110INT, 150INT and 200INT Assembly and Installation 06:55

In this episode of CVTV, Jeremy Rykiel helps us through the assembly and installation of our classic in-sump skimmers CLSC-110INT, CLSC-150INT & CLSC-200INT.

  • Classic 110INT...
    In this episode of CVTV, Jeremy Rykiel helps us through the as...

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We ship Worldwide everyday. Please contact us for shipping quotes and availability on any products you would like to purchase.

International orders do NOT qualify for free shipping, please contact us for a shipping quote.

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Product Warranty

EVERY ITEM WE SELL IS BRAND NEW & COMES WITH A FULL MANUFACTURE WARRANTY! We do not sell used, defective, or returned product to our customers. Only exception to this is in our clearance and open box section of our website. Even those items still include a full warranty, and are usually an amazing deal if your looking to save money!

Most brands and products we sell have typically a 1 year warranty, with some products having up to 3 or more years. If you have any questions on warranties you can check the manufacture website or just contact us with any questions. At we sell only the best products, and only products we recommend and use ourselves, so you can buy with confidence.

We are an authorized dealer and retail partner for every brand we sell!

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