25 Best Hang On Back Protein Skimmers
for March 2021

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1
9.9
SCORE
Bubble Magus New Protein Skimmer E3 Hang On Back Saltwater Reef Aquarium

Bubble Magus New Protein Skimmer E3 Hang On Back Saltwater Reef Aquarium

by Bubble Magus
What We like

Pump power: 110V 60Hz

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Product Features

  • Type: Protein Skimmers
  • Water Type: Pump
  • Dimensions:240*130*470mm ( 9.44" * 5.11" * 18.5 ")
  • Condition: New: A brand-new, unused, unopened

Water type: pump Dimensions:240*130*470mm ( 9.44" * 5.11" * 18.5 ") Condition: new: a brand-new, unused, unopened Type: protein skimmers

2
9.9
SCORE
Bubble Magus New Protein Skimmer E5 Hang On Back Saltwater Reef Aquarium

Bubble Magus New Protein Skimmer E5 Hang On Back Saltwater Reef Aquarium

by Manufacturer
What We like

Capability : 300L-500L (80G-135G) , pump:atman ph2000 , Pump power: 28W, 110V 60Hz , air intake : 450L/H , Dimensions:300*160*520mm ( 11.8" * 6.3" * 20.5 ") , cylinder: 5"

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Product Features

  • Condition: New: A brand-new, unused, unopened

Condition: new: a brand-new, unused, unopened

3
9.8
SCORE
AquaMaxx HOB-1.5 Hang-On-Back Protein Skimmer

AquaMaxx HOB-1.5 Hang-On-Back Protein Skimmer

by AquaMaxx
What We like

Fits aquarium rims up to 3/4" thick.

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Product Features

  • Minimum tank height 10-7/8"
  • Dimensions: L 7.5 x W 3.5 x H 17 Inch
  • Requires approximately 4" of clearance to remove collection cup.

Dimensions: l 7.5 x w 3.5 x h 17 inch Minimum tank height 10-7/8" Requires approximately 4" of clearance to remove collection cup.

4
9.6
SCORE
Bubble Magus Protein Skimmer AS-1C Hang On Back Saltwater Aquarium

Bubble Magus Protein Skimmer AS-1C Hang On Back Saltwater Aquarium

by Manufacturer
What We like

Bubble Magus Protein Skimmer AS-1C Hang On Back Saltwater Aquarium, Suited aquarium100-300L ( 30 to 80gal ), Pump:BUBBLE-MAGUS ROCK SP1000, Pump Sep.AC 120V/60Hz, 15W, Size: 6.7" x 4" x 11.8"

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5
9.6
SCORE
Bubble Magus New Protein Skimmer AS-1B Hang On Back Saltwater Aquarium

Bubble Magus New Protein Skimmer AS-1B Hang On Back Saltwater Aquarium

by Bubble Magus
What We like

Size: 6.7" x 4" x 11.8"

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Product Features

  • Suited aquarium100-300L ( 30 to 80gal )
  • Type: Protein Skimmers
  • Condition: New: A brand-new, unused, unopened

Condition: new: a brand-new, unused, unopened Type: protein skimmers Suited aquarium100-300l ( 30 to 80gal )

6
9.5
SCORE
Bubble Magus NAC5E Hang On Back Protein Skimmer w/ Bubble Plate

Bubble Magus NAC5E Hang On Back Protein Skimmer w/ Bubble Plate

by Bubble Magus
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7
9.5
SCORE
Bubble Magus Protein Skimmer AS-1C Hang On Back Saltwater Aquarium

Bubble Magus Protein Skimmer AS-1C Hang On Back Saltwater Aquarium

by Manufacturer
What We like

Suited aquarium100-300L ( 30 to 80gal ) , Pump: BUBBLE-MAGUS ROCK SP1000 , Pump Sep.AC 120V/60Hz, 15W , Size: 6.7" x 4" x 11.8"

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Product Features

  • Type: Protein Skimmers
  • Condition: New: A brand-new, unused, unopened

Type: protein skimmers Condition: new: a brand-new, unused, unopened

8
9.3
SCORE
Reef Octopus BH90 Hang on Protein Skimmer

Reef Octopus BH90 Hang on Protein Skimmer

by Reef Octopus
What We like

Rated up to 130gal

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Product Features

  • 4" Round Body HOB Skimmer w/external AQ1000s
  • Dim: 7.5" x 7.5" x 23.8"

Dim: 7.5" x 7.5" x 23.8" 4" round body hob skimmer w/external aq1000s

9
9.1
SCORE
Macro Aqua M-50 Mini Hang-on External Protein Skimmer, 60 Gallon

Macro Aqua M-50 Mini Hang-on External Protein Skimmer

60 Gallon

by Ming Trading LLC
What We like

Easy to install and operate. No priming required

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Product Features

  • High quality protein skimmer for up to 60 gallon tank (depends on stocking)
  • Small hang-on back skimmer; Water Flow: 238gph
  • Effectively eliminates organic waste. Simply remove the collection cup to dispose tank waste

Small hang-on back skimmer; water flow: 238gph High quality protein skimmer for up to 60 gallon tank (depends on stocking) Effectively eliminates organic waste. simply remove the collection cup to dispose tank waste

10
9.1
SCORE
Marine Color RDC 150 Hanging On Internal Needle Wheel Protein Skimmer 40 Gallon Saltwater Aquarium

Marine Color RDC 150 Hanging On Internal Needle Wheel Protein Skimmer 40 Gallon Saltwater Aquarium

by Marine Color
What We like

Fashionable design: All skimmer is built with high quality RED and white pipe fittings

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Product Features

  • Complete standard cone reaction chamber designs make the skimmer collects bubble smoothly and stable
  • High Efficiency pin wheel pump
  • Saving area footprint design is especially suitable for using in small footprint sump.
  • All material is made of high quality CAST ACRYLIC. And our professional laser engraving machine ensures the reliable quality and accuracy of every products

Saving area footprint design is especially suitable for using in small footprint sump. Complete standard cone reaction chamber designs make the skimmer collects bubble smoothly and stable High efficiency pin wheel pump All material is made of high quality cast acrylic. and our professional laser engraving machine ensures the reliable quality and accuracy of every products

11
9
SCORE
Macro Aqua M-60 Hang-on External Protein Skimmer, 120 Gallon

Macro Aqua M-60 Hang-on External Protein Skimmer

120 Gallon

by Ming Trading LLC
What We like

Easy to install and operate

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Product Features

  • High quality protein skimmer for up to 120 gallon tank (depends on stocking)
  • Big hang-on back filter; Water Flow: 320gph; Air Flow Rate: 80gph
  • Effectively eliminates organic waste. Simply remove the collection cup to dispose tank waste

Effectively eliminates organic waste. simply remove the collection cup to dispose tank waste Big hang-on back filter; water flow: 320gph; air flow rate: 80gph High quality protein skimmer for up to 120 gallon tank (depends on stocking)

12
9
SCORE
Marine Color RDC 250 Hanging On Internal Needle Wheel Protein Skimmer 70 Gallon Saltwater Aquarium

Marine Color RDC 250 Hanging On Internal Needle Wheel Protein Skimmer 70 Gallon Saltwater Aquarium

by Marine Color
What We like

Fashionable design: All skimmer is built with high quality RED and white pipe fittings

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Product Features

  • High Efficiency pin wheel pump
  • All material is made of high quality CAST ACRYLIC. And our professional laser engraving machine ensures the reliable quality and accuracy of every products
  • Complete standard cone reaction chamber designs make the skimmer collects bubble smoothly and stable
  • Saving area footprint design is especially suitable for using in small footprint sump.

All material is made of high quality cast acrylic. and our professional laser engraving machine ensures the reliable quality and accuracy of every products Saving area footprint design is especially suitable for using in small footprint sump. Complete standard cone reaction chamber designs make the skimmer collects bubble smoothly and stable High efficiency pin wheel pump

13
8.9
SCORE
Aquarium Protein Skimmer Hanging On Pump Saltwater Filter Internal Water Tank Filter for Marine Aquarium(#1)

Fdit Aquarium Protein Skimmer Hanging On Pump Saltwater Filter Internal Water Tank Filter for Marine Aquarium(#1)

by Fdit
What We like

EASY TO USEEasy to use, it should be equipped with a air pump, filter protein colloid, organic particles and other harmful heavy metal materials from the water, fast and effective.

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Product Features

  • PRACTICAL TOOLPerfect for cleaning undesired protein colloid of fish tank, provide a fresh and healthy environment for fish to breathe.
  • CONVENIENT & PRACTICALTwo different size for choosing, suitable for most fish tank, convenient and practical.
  • PREMIUM MATERIALMade of high quality plastic material, solid and durable to use.
  • MAIN FUNCTIONHelps improve exchange and keep your aquarium water clean and clear.

Premium materialmade of high quality plastic material, solid and durable to use. Practical toolperfect for cleaning undesired protein colloid of fish tank, provide a fresh and healthy environment for fish to breathe. Convenient & practicaltwo different size for choosing, suitable for most fish tank, convenient and practical. Main functionhelps improve exchange and keep your aquarium water clean and clear.

14
8.9
SCORE
Coral Vue Technology AC20197 Octopus Hang-On Back Skimmer for Aquarium Filter, 75-Gallon

Coral Vue Technology AC20197 Octopus Hang-On Back Skimmer for Aquarium Filter

75-Gallon

by TopDawg Pet Supply
What We like

This is a simple user friendly hang on back skimmer ideal to skim small aquariums up to a 60 gallons

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Product Features

  • Our bh-100 is our entry level hang on back skimmer design
  • The pump is mounted externally so it will sit inside the aquarium

The pump is mounted externally so it will sit inside the aquarium Our bh-100 is our entry level hang on back skimmer design

15
8.9
SCORE
Bubble Magus QQ1 Hang-On Nano Protein Skimmer

Bubble Magus QQ1 Hang-On Nano Protein Skimmer

by Bubble Magus
What We like

Includes Rock SP600 Pump

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Product Features

  • Maximum Aquarium Thickness: 12mm
  • Dimensions: 5.8"L x 4.4"W x 10.5"H
  • Rated for tank up to 25gal

Dimensions: 5.8"l x 4.4"w x 10.5"h Maximum aquarium thickness: 12mm Rated for tank up to 25gal

16
8.9
SCORE
IceCap K1-Nano Protein Skimmer

IceCap K1-Nano Protein Skimmer

by IceCap
What We like

In-Sump Installation Only

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Product Features

  • Bubble Dispersant Chamber
  • Magnet Mount
  • Solid PVC & Acrylic Construction
  • Pipeless Output Valve

Bubble dispersant chamber Pipeless output valve Solid pvc & acrylic construction Magnet mount

17
8.7
SCORE
CoralVue Technology BH-100 Octopus Hang-On Back with Surface Skimmer for Aquarium Filter, 75-Gallon

Coral Vue Technology CoralVue Technology BH-100 Octopus Hang-On Back with Surface Skimmer for Aquarium Filter

75-Gallon

by TopDawg Pet Supply
What We like

Built with high quality acrylic

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Product Features

  • The octopus skimmers uses metric plumbing parts
  • Coral vue octopus hang on back with surface skimmer 75gal

The octopus skimmers uses metric plumbing parts Coral vue octopus hang on back with surface skimmer 75gal

18
8.7
SCORE
Aquamaxx Ws-1 In-sump Protein Skimmer

Aquamaxx Ws-1 In-sump Protein Skimmer

by AquaMaxx
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19
8.6
SCORE
Innovative Marine BioSkim DC AIO Nano Protein Skimmer - Universal

Innovative Marine BioSkim DC AIO Nano Protein Skimmer

Universal

by Innovative Marine
What We like

Bubble Plate Diffuser | Low Profile Cup | For Marine / Saltwater Use Only | *NOTE: Allow One Week to Break In and Remove Microbubbles | Amazon handles returned items and inspects/qualifies to resell them

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Product Features

  • Fits Most AIO and Tank Alone Aquariums | Measure area of your aquarium First | Dimensions: 4" x 2.3" x 11.2" | Turn on Only After Tank has Completely Cycled or Excess Microbubbles Maybe Produced
  • Low Voltage Direct Current Needle Wheel Pump | Adjustable Height Hanger | Questions About the pump? Please Message Us
  • Waterline indicator | External Air Silencer | Dry Skim Convex Lid | DOES NOT COME WITH RUBBER FEET
  • First: Measure Area of Your Tank to See if this skimmer will fit | Rated for up to 34 Gallons | Drop In Convenience | Fits into Coralife biocube 16 (middle chamber) and 32 (pump section)

First: measure area of your tank to see if this skimmer will fit | rated for up to 34 gallons | drop in convenience | fits into coralife biocube 16 (middle chamber) and 32 (pump section) Fits most aio and tank alone aquariums | measure area of your aquarium first | dimensions: 4" x 2.3" x 11.2" | turn on only after tank has completely cycled or excess microbubbles maybe produced Waterline indicator | external air silencer | dry skim convex lid | does not come with rubber feet Low voltage direct current needle wheel pump | adjustable height hanger | questions about the pump? please message us

20
8.6
SCORE
CoralVue Technology BH-2000 Octopus with External 2000 Pump for Aquarium Filter, 125-Gallon

Coral Vue Technology CoralVue Technology BH-2000 Octopus with External 2000 Pump for Aquarium Filter

125-Gallon

by TopDawg Pet Supply
What We like

This design also allows for easy removal of the pump for cleaning and maintenance

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Product Features

  • Coral vue octopus with external 2000 pump 200gal
  • They are built with high quality acrylic

They are built with high quality acrylic Coral vue octopus with external 2000 pump 200gal

21
8.5
SCORE
Eshopps Hang On Protein Skimmer PSK-100H - 75 to 100 Gallons

Eshopps Inc. Eshopps Hang On Protein Skimmer PSK-100H

75 to 100 Gallons

by Eshopps
What We like

4" diameter x 23" high

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22
8.5
SCORE
Bubble Magus E3 Hang-On Protein Skimmer

Bubble Magus E3 Hang-On Protein Skimmer

by Deepwater Aquatics Distribution
What We like

Very efficient Bubble Magus pump included

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Product Features

  • Quality acrylic construction
  • Hang-On back model for no sump applications

Hang-on back model for no sump applications Quality acrylic construction

23
8
SCORE
Instant Ocean SeaClone 100 Protein Skimmer, For Optimum Skimming Efficiency

Instant Ocean SeaClone 100 Protein Skimmer

For Optimum Skimming Efficiency

by Instant Ocean
What We like

POWERFUL & EFFICIENT Turbo-Venturi Injector System with Maxi-Jet 1200 pump form protein-laden bubbles

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Product Features

  • PROTEIN SKIMMER Mini vortex skims and removes dissolved wastes from marine aquariums
  • CAPACITY Works with any marine aquarium up to 100 gallons
  • VERSATILE INSTALLATION External hang-on or in-sump installation

Versatile installation external hang-on or in-sump installation Capacity works with any marine aquarium up to 100 gallons Protein skimmer mini vortex skims and removes dissolved wastes from marine aquariums

24
7.1
SCORE
CPR AquaFuge2 Hang-On Refugium - Large

CPR AquaFuge2 Hang-On Refugium

Large

by CPR
What We like

refugium

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Product Features

  • hang on the back

Hang on the back

25
7
SCORE
IceCap K1-100 Protein Skimmer

IceCap K1-100 Protein Skimmer

by IceCap
What We like

Footprint: 4.5" x 7.5" | Reaction Chamber: 4" | Height: 19"

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Product Features

  • Bubble Dispersant Chamber
  • Solid PVC & Acrylic Construction
  • Distinctive Turbulence Reducing Body
  • In-Sump Installation Only

Distinctive turbulence reducing body Bubble dispersant chamber In-sump installation only Solid pvc & acrylic construction

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