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Protein Skimmers By Style: Hang On Back 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 designed to hang on the back of the tank. They range from very affordable hang on the back protein skimmers to the best hang on the back protein skimmers on the market.
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CPR Bak-Pak 2 Bio-Filter Protein Skimmer with Accela Pump CPR Aquatic Cyclone Bak-Pak 2 Bio-Filter Protein Skimmer w/ Accela Pump

Product Code: RCPR02071
The Bak-Pak 2 Bio-Filter is the second generation external, hang on the back, combination Protein Skimmer and Biological Filtration unit from CPR. This skimmer is designed for saltwater fish only tanks up to 60 gallons. Can be used with the Pre-Skimmer/Bubble Trap Box, Bubble Trap Box Clear, Bubble Trap Box Black or Pre Skimmer Box.

Our Price (price includes free shipping!) $129.99
In Stock
CPR Aquatic Bak-Pak 2R+ Reef Ready Protein Skimmer with Accela Pump CPR Aquatic Bak-Pak 2R+ Reef Ready Protein Skimmer w/ Accela Pump

Product Code: RCPR02072
The CPR Bak-Pak 2R+ is designed for reef aquariums up 60 gallons. For hang-on use only. Includes Accela Pump. Can be used with the Pre-Skimmer/Bubble Trap Box, Bubble Trap Box Clear, Bubble Trap Box Black or Pre Skimmer Box.

Our Price (price includes free shipping!) $129.99
In Stock
Reef Octopus Classic 100-HOB Protein Skimmer Reef Octopus Classic 100-HOB Protein Skimmer

Product Code: RCV20197
The Reef Octopus Classic 100-HOB Protein Skimmer is a favorite hang-on back skimmer. Capable of filtering aquariums up to 75 gallons (light bio load), the Classic 100-HOB features an easy to install and operate design in which the pump is mounted inside the aquarium.

Our Price (price includes free shipping!) $149.99
In Stock
AquaC Nano Remora Protein Skimmer AquaC Nano Remora Protein Skimmer with Cobalt 900 Pump

Product Code: RAC33411
The AquaC Nano Remora Protein Skimmer with Cobalt 900 Pump is a hang on skimmer designed for tanks from 5 to 25 gallons.

Our Price (price includes free shipping!) $159.99
In Stock
AquaEuro Hang on Back Skimmer AquaEuro Hang on Back Skimmer

Product Code: RHTA00100
AquaEuro Hang on Back Skimmer is for tanks up to 90 gallons.

Our Price (price includes free shipping!) $168.99
In Stock
AquaC Nano Remora Protein Skimmer AquaC Nano Remora Protein Skimmer with Cobalt 900 Pump & Drain Fitting

Product Code: RAC34412
The AquaC Nano Remora Protein Skimmer with Cobalt 900 Pump & Drain Fitting is a hang on skimmer designed for tanks from 5 to 25 gallons. This version includes a drain fitting that can be attached to a hose and receptacle for overflow.

Our Price (price includes free shipping!) $169.99
In Stock
AquaC Remora Cobalt Pump Protein Skimmer AquaC Remora Protein Skimmer with Cobalt 1200 Pump

Product Code: RAC33111
The AquaC Remora Protein Skimmer with Cobalt 1200 Pump is a hang on skimmer for tanks up to 75 gallons.

Our Price (price includes free shipping!) $179.99
In Stock
AquaC Remora Cobalt Pump Drain Protein Skimmer AquaC Remora Protein Skimmer with Cobalt 1200 Pump and Drain Fitting

Product Code: RAC33112
The AquaC Remora Protein Skimmer with Cobalt 1200 Pump is a hang on skimmer for tanks up to 75 gallons. This version includes a drain fitting that can be attached to a hose and receptacle for overflow.

Our Price (price includes free shipping!) $189.99
In Stock
Reef Octopus Classic BH-1000 Protein Skimmer Reef Octopus Classic BH-1000 Protein Skimmer

Product Code: RCV20308
The Reef Octopus Classic BH-1000 Protein Skimmer is a favorite hang-on back skimmer. Capable of filtering aquariums from 78 to 130 gallons, the Classic BH-1000 features an easy to install and operate design in which the pump is mounted outside the aquarium.

Our Price (price includes free shipping!) $189.99
In Stock
Reef Octopus Classic 90-HOB Protein Skimmer Reef Octopus Classic 90-HOB Protein Skimmer

Product Code: RCV20538
The Reef Octopus Classic 90-HOB Protein Skimmer is a totally different approach to hang-on back skimmers as it has a cylindrical main body. It is capable of filtering aquariums up to 130 gallons.

Our Price (price includes free shipping!) $189.99
In Stock
CPR Bak-Pak Dual Pak Protein Skimmer with Accela Pump CPR Aquatic Bak-Pak Dual Pak Protein Skimmer (Accela Pump)

Product Code: RCPR02073
The Dual Pak provides a complete hang-on filtration unit for tanks up to 100 gallons that incorporates two protein skimmers with a biological filtration chamber in the middle. Using proven Rejuvenation Venturi technology, the protein skimmers are flooded with bubbles for constant removal of excess organics. The biological chamber utilizes CPR's Bio-Bale biological filter media to provide maximum surface area for beneficial bacteria to colonize. For hang-on use only. Can be used with the Bubble Trap Box Clear or Bubble Trap Box Black (one for each of the two returns) and the Pre Skimmer Box (one for each of the two pumps).

Our Price (price includes free shipping!) $199.99
In Stock
AquaC Remora-S Cobalt Pump Protein Skimmer AquaC Remora-S Protein Skimmer with Cobalt 1200 Pump

Product Code: RAC33113
The AquaC Remora-S Protein Skimmer with Cobalt 1200 Pump is a hang on skimmer for tanks up to 75 gallons. This Remora-S version includes a high-flow injector, extended collection cup and the drain fitting.

Our Price (price includes free shipping!) $199.99
In Stock