25 Best HOB Protein Skimmers
for March 2021

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1
9.9
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.

2
9.9
SCORE
Reef Octopus Classic 100-HOB Protein Skimmer

Reef Octopus Classic 100-HOB Protein Skimmer

by Reef Octopus
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3
9.8
SCORE
Blue Ocean PP75 Protein Skimmer Aquarium Filter Pump HOB

Blue Ocean PP75 Protein Skimmer Aquarium Filter Pump HOB

by Blue Ocean
What We like

Setup: Hang on the Back, Clearance: 5.00" minimum

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Product Features

  • Dimensions: 7.75" x 3.00" x 17.00"
  • Size: 50G - 75G
  • Pump (included): Odyssea 250

Dimensions: 7.75" x 3.00" x 17.00" Pump (included): odyssea 250 Size: 50g - 75g

4
9.8
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

  • 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

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

5
9.6
SCORE
Reef Octopus New HOB Protein Skimmer Rated for 75-100g Aquariums SPS LPS BH90

Reef Octopus New HOB Protein Skimmer Rated for 75-100g Aquariums SPS LPS BH90

by Manufacturer
What We like

Easy to Remove Collection Cup

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Product Features

  • Cylindrically Body Design
  • Footprint: 7.5 x 7.5 | Body Diameter: 4 | Height: 23.8
  • Pump Mounted External to the Skimmer
  • Condition: New: A brand-new, unused, unopened

Cylindrically body design Footprint: 7.5 x 7.5 | body diameter: 4 | height: 23.8 Pump mounted external to the skimmer Condition: new: a brand-new, unused, unopened

6
9.5
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

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

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

7
9.5
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

  • 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
  • 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 High efficiency pin wheel pump 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.

8
9.4
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

  • Saving area footprint design is especially suitable for using in small footprint sump.
  • 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 Complete standard cone reaction chamber designs make the skimmer collects bubble smoothly and stable High efficiency pin wheel pump

9
9.3
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)

10
9.2
SCORE
Aquamaxx Ws-1 In-sump Protein Skimmer

Aquamaxx Ws-1 In-sump Protein Skimmer

by AquaMaxx
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11
9.1
SCORE
Reef Octopus Classic BH-1000 Protein Skimmer & Smart Skimmer Security Overflow Protector Bundle

Reef Octopus Classic BH-1000 Protein Skimmer & Smart Skimmer Security Overflow Protector Bundle

by Reef Octopus
What We like

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. To install, simply place the skimmer on the back of the aquarium, mount the pump in place, adjust the intake strainer and it's ready to skim.

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Product Features

  • This package combines the Reef Octopus Classic BH-1000 Protein Skimmer and the AutoAqua Smart Skimmer Security. Use your Reef Octopus Classic BH-1000 with the reassurance that if the skimmer cup were to overflow the AutoAqua Smart Skimmer Security sensor would turn off the Reef Octopus Skimmer Pump.
  • Pump: Aquatrance 1000 Pinwheel. Footprint: 8" X 3.5", 17" tall. Installation: Hang-on.

This package combines the Reef Octopus classic bh-1000 protein skimmer and the autoaqua smart skimmer security. use your Reef Octopus classic bh-1000 with the reassurance that if the skimmer cup were to overflow the autoaqua smart skimmer security sensor would turn off the Reef Octopus skimmer pump. Pump: aquatrance 1000 pinwheel. footprint: 8" x 3.5", 17" tall. installation: hang-on.

12
9.1
SCORE
Bubble Magus BM-Curve 5 Protein Skimmer

Bubble Magus BM-Curve 5 Protein Skimmer

by Deepwater Aquatics Distribution
What We like

SP1000 internal pump

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Product Features

  • Tanks up to 140 gallons
  • High performance pump included

High performance pump included Tanks up to 140 gallons

13
8.9
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

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

14
8.9
SCORE
Coralife Marine Filter with Protein Skimmer

Coralife Aquarium Products Coralife Marine Filter with Protein Skimmer

by Coralife
What We like

Reduced maintenance with optimally designed skimming collection cup

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Product Features

  • Motor equipped with needle wheel impeller optimizes skimming
  • All in one power filter and protein skimmer for 30 gallon aquariums
  • Skimming not affected by water level fluctuations in your saltwater fish tank
  • Multiple filtration layers with adjustable air flow for diminished microbubble entry into aquarium

All in one power filter and protein skimmer for 30 gallon aquariums Motor equipped with needle wheel impeller optimizes skimming Multiple filtration layers with adjustable air flow for diminished microbubble entry into aquarium Skimming not affected by water level fluctuations in your saltwater fish tank

15
8.7
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

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

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

16
8.7
SCORE
Reef Octopus Classic 150SSS Protein Skimmer

Reef Octopus Classic 150SSS Protein Skimmer

by Reef Octopus
What We like

Installation: Sump

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Product Features

  • For aquariums up to 210 gallons
  • Small Footprint: 7.3 x 9.45 | Body Diameter: 6 | Height: 20.9
  • Pump: Aquatrance 2000S

Small footprint: 7.3 x 9.45 | body diameter: 6 | height: 20.9 For aquariums up to 210 gallons Pump: aquatrance 2000s

17
8.7
SCORE
Hydor Slim Skim Nano Internal Protein Skimmer, 23-35 gal

Hydor Slim Skim Nano Internal Protein Skimmer

23-35 gal

by Hydor USA, Inc.
What We like

Energy efficient, only uses 4 watts of energy

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Product Features

  • Designed for tanks up to 35 gal
  • Adjustable air control and foaming level. Always operate Slimskim with the lid and the air intake tube correctly positioned
  • Includes Patented Magnet-Suction Cup mounting system
  • 3 1/8 x 3 1/8" x 12* *Height size = skimmer body only (without collection cup)

3 1/8 x 3 1/8" x 12* *height size = skimmer body only (without collection cup) Includes patented magnet-suction cup mounting system Designed for tanks up to 35 gal Adjustable air control and foaming level. always operate slimskim with the lid and the air intake tube correctly positioned

18
8.7
SCORE
Reef Octopus Classic 110-INT Needle Wheel Protein Skimmer for Aquarium

Reef Octopus Classic 110-INT Needle Wheel Protein Skimmer for Aquarium

by TopDawg Pet Supply
What We like

Reef octopus pinwheel/needle wheel skimmers provide you with a high performance features in an easy to use package

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Product Features

  • Coral vue octopus 4-inch needle wheel skimmer 100gal
  • New pinwheel impellers provide up to 100% improved performance

New pinwheel impellers provide up to 100% improved performance Coral vue octopus 4-inch needle wheel skimmer 100gal

19
8.5
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

20
7.9
SCORE
Reef Octopus Classic 150INT Protein Skimmer

Reef Octopus Classic 150INT Protein Skimmer

by CoralVue
What We like

Small Footprint: 12.4" x 8.7"; Body Diameter: 6"; Height: 22"

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Product Features

  • In-sump protein skimmer for aquariums up to 150 gallons
  • Aquatrance 2000 Pinwheel Pump - offers super efficiency and the very best in performance
  • Turbulence reducing bubble plate

In-sump protein skimmer for aquariums up to 150 gallons Turbulence reducing bubble plate Aquatrance 2000 pinwheel pump - offers super efficiency and the very best in performance

21
7.7
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.

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. Practical toolperfect for cleaning undesired protein colloid of fish tank, provide a fresh and healthy environment for fish to breathe. Premium materialmade of high quality plastic material, solid and durable to use.

22
7.7
SCORE
TOPINCN Aquarium Hang on Protein Skimmer Aquarium External Protein Separator Fish Tank Filter Organic Matter Skimmer for Saltwater

TOPINCN Aquarium Hang on Protein Skimmer Aquarium External Protein Separator Fish Tank Filter Organic Matter Skimmer for Saltwater

by TOPINCN
What We like

Premium Material Made of high quality plastic material, solid and durable to use. Suitable for 280L Fish Tank. Nominal Flow: 900L/H.

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Product Features

  • ApplicationHanging backpack protein skimmer for outdoor use at edge of tank or sump edge for aquarium. A good helper to provide a fresh and healthy environment for fish to breathe.
  • Easy to UseEasy to use, it should be equipped with an air pump to adsorb protein colloids, organic particles,other heavy metals or harmful substance in seawater.
  • Easy to CleanTo achieve filtering separation effect according to the surface tension of the airflow rising.Detachable collection cup for easy cleaning.
  • Special DesignHang on protein skimmer. Specially designed for aquarium or fish tank use, high processing capacity, excellent performanceof the cylinder.

Easy to useeasy to use, it should be equipped with an air pump to adsorb protein colloids, organic particles,other heavy metals or harmful substance in seawater. Special designhang on protein skimmer. specially designed for aquarium or fish tank use, high processing capacity, excellent performanceof the cylinder. Easy to cleanto achieve filtering separation effect according to the surface tension of the airflow rising.detachable collection cup for easy cleaning. Applicationhanging backpack protein skimmer for outdoor use at edge of tank or sump edge for aquarium. a good helper to provide a fresh and healthy environment for fish to breathe.

23
7.6
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

  • 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
  • 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
  • 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)

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) 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

24
7.2
SCORE
AquaMaxx NF-1 Nano Protein Skimmer - in-Sump

AquaMaxx NF-1 Nano Protein Skimmer

in-Sump

by AquaMaxx
What We like

Small and powerful Nano Protein Skimmer, Modified and upgraded Italian Sicce Syncra Nano needlewheel pump

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Product Features

  • Pump power consumption: 1.6 watts, 120 Volt USA Plug
  • Footprint: 2-7/16" Deep x 4" Wide x 13-5/8" Tall. Pump included
  • Magnetic Mount - Filtration Rating: up to 30 Gallons (light bioload) or 20 Gallons (heavy bioload)

Footprint: 2-7/16" deep x 4" wide x 13-5/8" tall. pump included Magnetic mount - filtration rating: up to 30 gallons (light bioload) or 20 gallons (heavy bioload) Pump power consumption: 1.6 watts, 120 volt usa plug

25
7
SCORE
Reef Octopus Classic BH-2000 Protein Skimmer

Reef Octopus Classic BH-2000 Protein Skimmer

by Reef Octopus
What We like

Adjustable surface skimmer attachment

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Product Features

  • For aquariums up to 208 gallons
  • Footprint: 10" X 4", 21" tall
  • Installation: Hang-on
  • Pump: Aquatrance 2000 Pinwheel

For aquariums up to 208 gallons Footprint: 10" x 4", 21" tall Installation: hang-on Pump: aquatrance 2000 pinwheel

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