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Reef Octopus Classic Protein Skimmer (110-S)

Reef Octopus Classic Protein Skimmer (110-S)


Designed to take up an absolute minimum of space without compromising skimming.

Reef Octopus - Coralvue

Availability: In stock

$ 335.99

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Product Description


    The sleek and compact Reef Octopus Classic 110-S in-sump protein skimmer supplies powerful filtration for aquariums up to 130 gallons where sump space may be limited.

    The Reef Octopus Classic 110-S is constructed of high-quality acrylic that can be completely disassembled for cleaning.

    Equipped with the new Aquatrance pinwheel pump, it produces an ideal mix of water and air for optimum waste removal. A simple vented wedge valve output provides precision control and allows cleaned water to exit the skimmer below water for quiet operation.

    Also available in the larger Classic 150-S model. Internal model designed for in-sump use only. No feed pump required, skimmer draws water directly from sump.


    • Small footprint provides big performance
    • Removable turbulence reducing bubble plate
    • Easily disassembles for quick cleaning
    • Quiet operation
    • Latest in output design for a bubble-free outflow
    • Solid acrylic construction

    • Ideal for systems around 90 gallons with a medium bio-load
    • Footprint: 6.1" x 7.87"
    • Chamber diameter: 5"
    • Total Height: 19.7"
    • Output size: 1.25"
    • Pump: Aquatrance 1000s Pinwheel operating at 9 watts
    • Max Air: 420lph (air and water results will vary depending on aquarium set-up)
    • Max Flow: 350gph (air and water results will vary depending on aquarium set-up)
    • 1 year limited manufacturers warranty on skimmer, and 2 year limited manufacturers warranty on pump.

Additional Information

    Additional Information

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    1. Good quality, and VERY quiet Review by AlibiStellatus

      I wanted something that was effective, space saving and quiet. It is so quiet that the water coming in from my return chamber to the skimmer chamber is louder than the skimmer itself. It took a little bit to break in and get the adjustment right on but as long as the water in your sump doesn't fluctuate it works great. I have it dialed in now and it is producing skimmate. Packaging on this product was good, although the instructions were a bit difficult to figure out at first but there are great videos online to assist with assembly. The collection cup sits tight on the bubble chamber so it is a little difficult to remove, otherwise I'm very happy with it. It checks off all my needs for the tight space I have in my sump. (Posted on 11/25/2018)

    2. Don't buy it! Review by Bfruce

      I have owned this product for over a year. I is well built (sturdy) and easy to clean. It is a nightmare to adjust and maintain appropriate skimming levels. I have set my sump to 7.5" and have an auto top-off system. The water levels vary no more than 0.5". It skimmer still fluctuates in its levels. Every time I clean my tank, it needs re-adjusting and constant monitoring. This product is quiet but does not operate effectively (does not produce the skimmate that others do) and is a constant nightmare to adjust. Not recommended. (Posted on 4/4/2016)

    3. Good little skimmer Review by MarkB

      I've gone through a few skimmers over the years and this one is best on a few fronts. Good bubble making, very quiet, easy assembly, small foot print, lower height, easy cup removal, good bubble level control. My tank is 75 gal with a cramped 25 gal sump. The octopus is very sensitive to water level so I wouldn't put it in a sump chamber that has a fluctuating depth. Also, my sump level is deeper so I had to raise the octopus up a little bit to get the tube adjustment to work properly. Other than that, a pretty great little critter. (Posted on 3/29/2016)

    4. Very quiet as expected Review by DmitryB

      Build quality is good, easy to assemble. Quiet. Like really quiet. Makes my family happy. Cause my old skimmer (Vertex) was like Jumbojet at takeoff comparing to this one. Quite sensitive to water level, so if you have automatic top-off - not a problem, water level in sump chamber should be consistent. Skim chamber is a bit stiff to remove, guess it is because it is brand new. Overall - I'm pretty happy with this product. (Posted on 1/16/2016)

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