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Protein Skimmers By Style: Sump Only Protein Skimmers



Aquarium protein skimmers are designed to hang on the back of the tank, sit in the sump, or sit in the tank. Some protein skimmers are designed for both in sump and hang on the tank use. All the protein skimmers for sale on this page are in sump protein skimmers. They range from very affordable protein skimmers for small tanks to AquaC, AquaEuro and Bashsea Protein Skimmers for tanks up to 300 gallons.
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IceCap K1-50 Skimmer IceCap K1-50 Protein Skimmer

Product Code: RIC81081
The IceCap K1-50 is a remarkably compact skimmer that offers a new level of refined filtration for marine aquariums ranging from 40 to 80 gallons. Perfect for a 55 gallon or 75 gallon reef tank.

Our Price (price includes free shipping!) $94.99
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IceCap K3-100 INT In-Sump Protein Skimmer IceCap K3-100 INT In-Sump Protein Skimmer

Product Code: RIC98011
The IceCap K3-100 INT (Internal) In-Sump Protein Skimmer is a compact in-sump protein skimmer ideal for aquariums up to 80 gallons.

Our Price (price includes free shipping!) $219.99
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IceCap K3-130 INT In-Sump Protein Skimmer IceCap K3-130 INT In-Sump Protein Skimmer

Product Code: RIC98012
The IceCap K3-130 INT (Internal) In-Sump Protein Skimmer is a compact in-sump protein skimmer ideal for aquariums up to 140 gallons.

Our Price (price includes free shipping!) $259.99
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IceCap K3-160 INT In-Sump Protein Skimmer IceCap K3-160 INT In-Sump Protein Skimmer

Product Code: RIC98013
The IceCap K3-160 INT (Internal) In-Sump Protein Skimmer is a compact in-sump protein skimmer ideal for aquariums up to 250 gallons.

Our Price (price includes free shipping!) $389.99
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IceCap K3-160 OVP In-Sump Protein Skimmer IceCap K3-160 OVP In-Sump Protein Skimmer

Product Code: RIC98015
The IceCap K3-160 OVP (Open Volute Pump) In-Sump Protein Skimmer provides exceptional filtration performance with the smallest footprint for marine aquariums up to 250 gallons.

Our Price (price includes free shipping!) $419.99
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IceCap K3-200 Internal Protein Skimmer IceCap K3-200 INT In-Sump Protein Skimmer

Product Code: RIC52004
The IceCap K3-200 INT (Internal) In-Sump Protein Skimmer is a compact in-sump protein skimmer ideal for aquariums up to 400 gallons.

Our Price (price includes free shipping!) $489.99
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IceCap K3-200 OVP In-Sump Protein Skimmer IceCap K3-200 OVP In-Sump Protein Skimmer

Product Code: RIC98016
The IceCap K3-200 OVP (Open Volute Pump) In-Sump Protein Skimmer provides exceptional filtration performance with the smallest footprint for marine aquariums up to 400 gallons.

Our Price (price includes free shipping!) $539.99
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IceCap K3-250 OVP In-Sump Protein Skimmer IceCap K3-250 OVP In-Sump Protein Skimmer

Product Code: RIC98017
The IceCap K3-250 OVP (Open Volute Pump) In-Sump Protein Skimmer provides exceptional filtration performance with the smallest footprint for marine aquariums up to 650 gallons.

Our Price (price includes free shipping!) $579.99
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Maxspect Jump SK400 Protein Skimmer Maxspect Jump SK400 Protein Skimmer

Product Code: RMS81033
The Maxspect Jump SK400 Protein Skimmer is innovative and attractive. With a feature loaded controllable DC pump, patented dual needle wheel impeller, easy flow control and a design that makes maintenance easy, it's truly a game changing skimmer. The controller controls the flow of the pump, has a feed button and has the all-important over flow detection.

Our Price: $419.99
CLEARANCE $355.99
You save $64.00!
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Maxspect Jump SK800 Protein Skimmer Maxspect Jump SK800 Protein Skimmer

Product Code: RMS81054
The Maxspect Jump SK800 Protein Skimmer is innovative and attractive. With a feature loaded controllable DC pump, patented dual needle wheel impeller, easy flow control and a design that makes maintenance easy, it's truly a game changing skimmer. The controller controls the flow of the pump, has a feed button and has the all-important over flow detection.

Our Price: $699.99
CLEARANCE $559.99
You save $140.00!
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Reef Octopus Classic 150INT Protein Skimmer Reef Octopus Classic 150SSS Protein Skimmer

Product Code: RCV25194

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The Reef Octopus Classic 150SSS Protein Skimmer supplies powerful filtration for aquariums up to 210 gallons where sump space may be limited. For In-sump installation. Pump: Aquatrance 2000S.

Our Price (price includes free shipping!) $339.99
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Reef Octopus OCTO Classic 110INT Protein Skimmer Reef Octopus OCTO Classic 110INT Protein Skimmer

Product Code: RCV20284

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

Reef Octopus OCTO Classic 110INT Protein Skimmer is a high-end in-sump skimmer that fits into constrained sump spaces. For aquariums up to 130 gallons where sump space may be limited.

Our Price (price includes free shipping!) $269.99
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Reef Octopus OCTO Classic 150INT Protein Skimmer Reef Octopus OCTO Classic 150INT Protein Skimmer

Product Code: RCV20287

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

Reef Octopus OCTO Classic 150INT Protein Skimmer is a high-end in-sump skimmer that fits into constrained sump spaces. A member of the Reef Octopus Classic Series family, this compact skimmer provides efficient filtration for aquariums up to 150 gallons where sump space may be limited.

Our Price (price includes free shipping!) $319.99
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Reef Octopus OCTO Classic 152-S Protein Skimmer Reef Octopus OCTO Classic 152-S Protein Skimmer

Product Code: RCV25195

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The Reef Octopus OCTO Classic 152-S Protein Skimmer is capable of providing powerful filtration for aquariums up to 150 gallons where sump space may be limited. For In-sump installation. Pump: Aquatrance 1800s Pinwheel Pump.

Our Price (price includes free shipping!) $424.99
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Reef Octopus OCTO Classic 200INT Protein Skimmer Reef Octopus OCTO Classic 200INT Protein Skimmer

Product Code: RCV20290

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

Reef Octopus OCTO Classic 200INT Protein Skimmer is a high-end in-sump skimmer that fits into constrained sump spaces. For aquariums up to 250 gallons where sump space may be limited.

Our Price (price includes free shipping!) $399.99
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Reef Octopus OCTO Classic 202-S Protein Skimmer Reef Octopus OCTO Classic 202-S Protein Skimmer

Product Code: RCV25196

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The Reef Octopus OCTO Classic 202-S Protein Skimmer is capable of providing powerful filtration for aquariums up to 265 gallons where sump space may be limited. For In-sump installation. Pump: Aquatrance 3000s Pinwheel Pump.

Our Price (price includes free shipping!) $539.99
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Reef Octopus OCTO eSsence S-130 Protein Skimmer Reef Octopus OCTO eSsence S-130 Protein Skimmer

Product Code: RCV25201

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The Reef Octopus OCTO eSsence S-130 Protein Skimmer Protein Skimmer is a high-end in-sump skimmer that fits into constrained sump spaces. For aquariums up to 160 gallons where sump space may be limited. Features a controllable direct current Aquatrance 1800s Skimmer Pump.

Our Price (price includes free shipping!) $374.99
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Reef Octopus OCTO Regal 150INT In-Sump Protein Skimmer Reef Octopus OCTO Regal 150INT In-Sump Protein Skimmer

Product Code: RCV25186

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The new and innovative Reef Octopus OCTO Regal 150INT In-Sump Protein Skimmer supplies powerful filtration for aquariums up to 210 gallons (light filtration demand) where sump space is not limited. Reef Octopus VarioS-2S Controllable Pinwheel Pump.

Our Price (price includes free shipping!) $549.99
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Reef Octopus OCTO Regal 150SSS Space Saver Protein Skimmer Reef Octopus OCTO Regal 150SSS Space Saver Protein Skimmer

Product Code: RCV25187

Comes with a FREE MarineAndReef.com Reefractometer for measuring your salinity perfectly every time!

The Reef Octopus OCTO Regal 150SSS Space Saver Protein Skimmer in an in-sump skimmer for aquariums up to 210 gallons where sump space may be limited. Reef Octopus VarioS 2-S 24V Controllable Pinwheel Pump.

Our Price (price includes free shipping!) $599.99
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