25 Best HOB Skimmers
for March 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Reef Octopus Classic 100-HOB Protein Skimmer

Reef Octopus Classic 100-HOB Protein Skimmer

by Reef Octopus
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2
9.9
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
  • VERSATILE INSTALLATION External hang-on or in-sump installation
  • CAPACITY Works with any marine aquarium up to 100 gallons

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

3
9.9
SCORE
Aquarium Sump Refugium DIY Kit for Portein Skimmer Sump - Chamber dividers (10 Gallon)

Bubblefin Aquarium Sump Refugium DIY Kit for Portein Skimmer Sump

Chamber dividers (10 Gallon)

by Bubblefin
What We like

It comes with 3 pieces of acrylic dividers for 10 gallon fish tank. The actual width of the board is 9.92 inch. Please check the inner width of your tank before ordering it.

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Product Features

  • The dividers will give the chamber heigth for most of the skimmers.
  • It works for 10 gallon fish tank with 10.5 width. See the image of the actual tank outer measurements, 20.25L x 10.5 Width
  • It does not come with fish tank or silicon glue.

It does not come with fish tank or silicon glue. The dividers will give the chamber heigth for most of the skimmers. It works for 10 gallon fish tank with 10.5 width. see the image of the actual tank outer measurements, 20.25l x 10.5 width

4
9.9
SCORE
AquaTop SSK-65 Aquarium Surface Skimmer

AquaTop SSK-65 Aquarium Surface Skimmer

by AquaTop
What We like

Along with the SSK-65s surface skimming ability, The unit also includes a small Sponge block for mechanical filtration and a quiet, energy efficient submersible pump with adjustable flow.

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Product Features

  • Tank capacity: up to 100 gallons
  • Flow rate: 65 GPH
  • This surface skimmer is easy to install and its compact size and suction cup mounts make for flexible placement anywhere along the surface of the Aquarium.
  • Power: 2. 5 watts

This surface skimmer is easy to install and its compact size and suction cup mounts make for flexible placement anywhere along the surface of the aquarium. Flow rate: 65 gph Power: 2. 5 watts Tank capacity: up to 100 gallons

5
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

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

6
9.5
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

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

7
9.5
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

  • High performance pump included
  • Tanks up to 140 gallons

Tanks up to 140 gallons High performance pump included

8
9.4
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

  • 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)

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) Effectively eliminates organic waste. simply remove the collection cup to dispose tank waste

9
9.3
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
  • In-Sump Installation Only
  • Distinctive Turbulence Reducing Body
  • Solid PVC & Acrylic Construction

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

10
9.2
SCORE
Eshopps Protein Nano 10-35G Skimmer

Eshopps Protein Nano 10-35G Skimmer

by Pro-Motion Distributing - Direct
What We like

Safety and Cleanliness in mind with Eshopps Design

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Product Features

  • Quality tested, made in the USA with high grade material
  • Price competitive and extremely safe for your pets

Price competitive and extremely safe for your pets Quality tested, made in the usa with high grade material

11
9.2
SCORE
Tunze 9004.000 Comline DOC Skimmer

Tunze 9004.000 Comline DOC Skimmer

by Tunze USA LLC
What We like

Easy to install and maintain

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Product Features

  • "Flash Skimming" fast and efficient waste removal
  • Refer Installation manual under Product Details before use (Manual contains all three languages German, English and French)
  • Surface Intake

Refer installation manual under product details before use (manual contains all three languages german, english and french) Surface intake "flash skimming" fast and efficient waste removal

12
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

  • 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. 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.

13
8.9
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

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

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

14
8.9
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

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

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

15
8.9
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

  • 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
  • Pump power consumption: 1.6 watts, 120 Volt USA Plug

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 Pump power consumption: 1.6 watts, 120 volt usa plug

16
8.8
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

17
8.8
SCORE
Reef Octopus Aquatrance AQ1000S Skimmer Pump

Reef Octopus Aquatrance AQ1000S Skimmer Pump

by Pro-Motion Distributing - Direct
What We like

Replacement pump for the following newer skimmer models with large grey threaded outputs: NWB 110, dnwb110, bh-1000, bh-100, bh-100f, bh-100ss, bh-300

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Product Features

  • Max flow: 92gph / max air: 420l/h, 15scfh
  • Power consumption: 9watts

Max flow: 92gph / max air: 420l/h, 15scfh Power consumption: 9watts

18
8.7
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

19
8.7
SCORE
CoralVue Technology BH-1000 Octopus with External 1000 Pump for Aquarium Filter, 100-Gallon

Coral Vue Technology CoralVue Technology BH-1000 Octopus with External 1000 Pump for Aquarium Filter

100-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 1000 pump 100gal
  • They are built with high quality acrylic

Coral vue octopus with external 1000 pump 100gal They are built with high quality acrylic

20
8.7
SCORE
hygger Aquarium Filter, 3 in 1 Filter Media Container Box Adjustable Water Flow with Surface Skimmer Retractable Water Inlet Tube Turtle Betta Fish Tank Filter for 5-30 Gal

hygger Aquarium Filter

3 in 1 Filter Media Container Box Adjustable Water Flow with Surface Skimmer Retractable Water Inlet Tube Turtle Betta Fish Tank Filter for 5-30 Gal

by hygger
What We like

MORE EFFECTIVE: There has a surface skimmer on the long tube. It can automatically telescopically float or rotate with the water level to remove oil stains on the surface and make the water clean.

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Product Features

  • THREE-LAYER FILTER - REPLACEABLE: First floor: Bio-sponge.Cultivate nitrifying bacteria, filter out impurities and fish manure; Second floor: Activated carbon. Reduce aquarium odorThird floor: Biological balls. Enhanced filtering.
  • WHAT IS IT: Fish tank filtration. Has a filter box, which can put a variety of filter materials, and the filter effect is stronger. Water circulation.Waterfall type, the water flow can be adjusted according to the needs of the fish tank. Aquarium oxygenation.Widen the water outlet, the outlet water is slow, and the amount of dissolved oxygen in the water can be increased. Can remove oil stains.
  • PRODUCT PARAMETER:Voltage AC:110-120V / 60 Hz; Power:12W; Q.Max:158GPH; Sound:
  • PRINCIPLE OF FILTRATION: The turbid water at the bottom of the fish tank enters the long tube; Plus the surface scum removes surface oil stains; Dirty water passes through 3 in 1 filter media container; Filtered clean water flows out in a waterfall manner (water flow can be adjusted).

Principle of filtration: the turbid water at the bottom of the fish tank enters the long tube; plus the surface scum removes surface oil stains; dirty water passes through 3 in 1 filter media container; filtered clean water flows out in a waterfall manner (water flow can be adjusted). Product parameter:voltage ac:110-120v / 60 hz; power:12w; q.max:158gph; sound: Three-layer filter - replaceable: first floor: bio-sponge.cultivate nitrifying bacteria, filter out impurities and fish manure; second floor: activated carbon. reduce aquarium odorthird floor: biological balls. enhanced filtering. What is it: fish tank filtration. has a filter box, which can put a variety of filter materials, and the filter effect is stronger. water circulation.waterfall type, the water flow can be adjusted according to the needs of the fish tank. aquarium oxygenation.widen the water outlet, the outlet water is slow, and the amount of dissolved oxygen in the water can be increased. can remove oil stains.

21
8.4
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

  • 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)
  • 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
  • Waterline indicator | External Air Silencer | Dry Skim Convex Lid | DOES NOT COME WITH RUBBER FEET

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 Low voltage direct current needle wheel pump | adjustable height hanger | questions about the pump? please message us

22
7.9
SCORE
Danner Skilter 400 Power Filter (400gph)

Danner Skilter 400 Power Filter (400gph)

by Eugene G Danner Inc
What We like

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23
7.9
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

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

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

24
7.9
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

  • Multiple filtration layers with adjustable air flow for diminished microbubble entry into aquarium
  • 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

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

25
7.1
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

  • 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.
  • 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. 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.

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