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Reef Octopus Classic 110 INT Protein Skimmer

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Reef Octopus

A member of the Reef Octopus Classic Series, this popular in-sump skimmer will provide great filtration for aquariums up to 130 gallons.

As with every Reef Octopus protein skimmer, the Classic 110INT is constructed of high-quality cast acrylic and features an easy to adjust gate valve, a quick release neck for easy cup removal, cup drain, bubble diffuser, o-ring sealed union pump mount, air shredding Aquatrance 1000s pinwheel pump and air silencer.

Filtration Handling

  • 130 Gallon - Light Filtration Demand
  • 90 Gallon – Medium Filtration Demand
  • 60 Gallon – Heavy Filtration Demand
Features
  • Enhanced Performance Venturi Air Injection System
  • Reef Octopus Aquatrance 1000s Skimmer Pump
  • Refined Hybrid (half cone) Skimmer Body
  • Easy to Remove/Quick Release Collection Cup with Drain
  • Precision Water Level Control Output Valve
  • Air Intake Silencer
  • Solid Acrylic Construction
  • Quiet and Energy Efficient Operation
Technical Specs
  • Body Size: 5"
  • Footprint: 10.4" x 7"
  • Neck Size: 2.5"
  • Total Height: 19.75"
  • Output Size: 40mm - Comes with Metric to British Adapter to 1.25” pvc
  • Output Height: 6.5"
  • Note: Recommended Sump Water Depth: 7"-8"
Pump Information
  • 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


Product Manuals & Documentation

Reef Octopus Classic 110 INT Protein Skimmer

Owner's Manual available for download in Adobe PDF file format

114 Reviews

MICHAEL ITEN from Largo, FL UNITED STATES

08/09/2016

Experience Level: Intermediate

Why did I wait so long

Of all the things I have purchased from MD This is without a doubt the greatest! Very easy to regulate through the large regulator that is easily reached and does not require any unscrewing of screws and turning the body. This was most difficult when adjusting! No such problem and believe it or not I 3 days I had it humming! I highly recommend it especially to a beginner! Mike

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Mark Bullard from WINNFIELD, LA UNITED STATES

06/28/2016

Experience Level: Intermediate

Great skimmer

Bought this skimmer for my anemone species tank build took longer than expected to settle in but works great

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JON LIPRIE from Lafayette, LA UNITED STATES

04/10/2016

Experience Level: Intermediate

Works great

Have 150gal and smaller skimmers are not adequate. It is quiet and well made. The gate valve is very helpful in adjusting the water column. If you are new to this you will be adjusting this often especially in a sump. Water conditions and level will vary. Would recommend it to anyone.

1 out of 1 found this review helpful

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DAVID from OH UNITED STATE

03/19/2016

Experience Level: Intermediate

Great skimmer

I purchased this skimmer to replace an Eshopps, and wow! My last skimmer was completely unreliable, and took months to break in. I've had this skimmer running just under two weeks, and it's working great. Within a few hours of start up, it began to pull junk out, dark, chunky gunk. The build quality is great, sturdy plastic, easy to remove skimmer cup, incredibly quite. We noticed a difference in noise right away. If you're looking for a good skimmer and are on a budget, I highly recommend this skimmer.

1 out of 1 found this review helpful

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JAMES HARRELL from CHARLOTTE, NC UNITED STATES

11/16/2015

Experience Level: Intermediate

Loud and poor quality pump

This skimmer is loud. The pump had seized up multiple times but I have been able to learn the sideways attached pump well enough to get it running again. No way to make it quiet. I wouldn't recommend. Why don't they put a pump on it that fits it properly?

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SHANE R from HOUSTON, TX UNITED STATES

01/20/2015

Experience Level: Intermediate

RO 150INT

I am impressed with this skimmer. The build quality it top notch. I have had it set up for almost 2 weeks now on my 120 gal tank. The size was perfect for my sump. I was actually getting skimmate almost immediately. It is very easy to dial in. It barely makes any noise. I did, however, have to build a PVC elbow for the outflow to keep the water return below the water level. I especially like the fact that you can simply pull the top off to dump it without having to unscrew any thumb screws (my 15 yr old PM skimmer was a pain). Obviously the technology has come quite a way in the last 8-10 years and this skimmer exceeds my expectations.

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JEFFREY GEETING from JACKSONVILLE, FL UNITED STATES

12/26/2014

Experience Level: Intermediate

Awesome skimmer

This skimmer is awesome! Only had it in the sump for a few hours and it was already pulling out dark gunk. I Definitely recommend buying one.

1 out of 2 found this review helpful

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JOHN FITZPATRICK from BABBITT, MN UNITED STATES

12/11/2014

Experience Level: Intermediate

Reef Octopus Classic INT Prote

This protein skimmer is a great product work great right out of the box. The Red Octopus skimmer is also the quietest skimmer I have ever used. I would recommend it to any one looking for a great skimmer at a reasonable price.

2 out of 2 found this review helpful

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MATTHEW BIWER from Goleta, CA UNITED STATES

10/02/2014

Experience Level: Expert

Good skimmer

I have been using this RO INT skimmer for 3 years now. It really skims well on my 40g tank. It is a little finicky about water level in the sump but is easy enough to adjust. Just make sure that it is sitting in around 5-7 inches and you should be good. It isn't that loud either, but it does vibrate a little.

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JOHN DELFINO from FLEMINGTON, NJ UNITED STATES

09/04/2014

Experience Level: Expert

Great little skimmer!!

Just installed this little skimmer on my new 57 gallon reef and so far so good. Good build quality, easy assembly, and after a little wipe down its already trying to pull dry skim. Very quiet too which is a plus. Delivery took 9 days though (not good).

1 out of 2 found this review helpful

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