Bullet-3 Hang-On-Back Protein Skimmer

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AquaMaxx Bullet-3 Hang-On-Back Protein Skimmer

AquaMaxx`s Bullet HOB Skimmer series was designed to deliver high performance in small spaces. Unlike traditional hang-on-back skimmers which can be a large eyesore for your aquarium, the Bullet`s innovative bubble diffuser design allows for powerful filtration in a smaller footprint. The Bullet-3 is the laregest of the Bullet series, and is recommended for aquariums between 40 and 80 gallons.

  • Slim profile
  • Innovative bubble diffuser design
  • Ultra silent operation
  • Designed for midsize aquariums up to 80 gallons
  • High-performance Sicce SHARK needlewheel pump
  • Easy maintenance and cleaning
  • Simple to set up and operate
  • Compact footprint
  • Durable cell-cast acrylic construction

AquaMaxx protein skimmers were designed from the ground up with the hobbyist in mind. The AquaMaxx Bullet HOB protein skimmer features an advanced internal flow design to efficiently mix air and water, extracting the maximum amount of protein. Noise is minimized by the built-in air silencer and silicone noise dampeners, and the skimmer`s smooth, bullet-shaped body and transparent chamber allow for easy cleaning and maintenance. High-quality cell-cast acrylic is used throughout the build for maximum durability, precisely assembled by experienced craftsmen to produce a top-notch product at a very affordable price.

The Bullet HOB features a high-performance SHARK pump: an enhanced Italian-made Sicce pump. Each Sicce pump motor block is modified and fitted with proprietary AquaMaxx needle wheel impellers, which boosts performance much beyond that of a stock pump. The upgraded AquaMaxx SHARK pump is capable of drawing in and chopping up significantly more air, providing the optimum bubble size for protein extraction. Accumulated protein and organics will be vigorously removed from your tank so that you can focus less on maintenance and more on enjoying your piece of the reef.



  • Footprint: 7.7" x 7.5"
  • Height: 16.5"
  • In Tank Dimesnions: 12.4"L x 4.3"W x 3.7"H
  • Pump: Sicce SHARK 1.0
  • Pump Power Consumption: 11 Watts
  • Minimum Tank Height: 10"
  • Filtration Rating: Up to 80 Gallons (light bioload) or 40 Gallons (heavy bioload)
  • Fits on Rims up to 1" Thick

*Requires Approx. 7" of clearance to remove collection cup

More Information
UPC 651137773260
Skimmer Type Hang On Back, Nano
Capacity Light Bioload - Up to 80 Gallons
Medium Bioload - Up to 60 Gallons
Heavy Bioload - Up to 40 Gallons
Dimensions 7.7"L x 7.5"W x 16.5"H
Max Tank Thickness 6/5 in.
Pump Model Aquamxx SHARK 1.0 (modified & upgraded Sicce pump)
Pump Rotor Type Needlewheel
Variable Speed No
Power Type AC
Power Consumption 11 Watts
Additional Notes Requires Approx. 7" of clearance to remove collection cup and a minimum tank height of 10"
Pump Included Yes
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Product Questions

What is the dimension that the tank would need to be from the wall behind it. How deep is this product?
Question by: Keith Ward on Mar 5, 2023, 7:25 PM
This will need at least 5.5" for a comfortable fit behind the aquarium.
Answer by: William Reed (BRS Staff) on Mar 23, 2023, 3:52 PM
This skimmer will require roughly 7" of clearance behind the tank to fit between the tank and the wall.
Answer by: Kyle Thomas (BRS Staff) on Mar 23, 2023, 3:53 PM
Will this fit on a rimmed 75 gallon aquarium?
Question by: Drew Weaver on Mar 1, 2023, 10:37 PM
This will fit on a rim up to 1.2".
Answer by: William Reed (BRS Staff) on Mar 23, 2023, 2:39 PM
What size rim tank will this fit . What is the minimum water level ? Thanks
Question by: Rodney hantz on Feb 21, 2023, 6:01 PM
this can fit rims up to 1.2" wide. It does not have a rated minimum water level, but I'd assume it would require to be at least 2" or closer to the water.
Answer by: William Reed (BRS Staff) on Mar 23, 2023, 11:17 AM
Can I use ozone with this skimmer?
Question by: Edward on Feb 4, 2023, 9:36 PM
Thanks for reaching out to us! This skimmer will not work with ozone! We do not recommend skimmers in general for this purpose
Answer by: James Johnson (BRS Staff) on Feb 17, 2023, 1:28 PM
What's the dimensions of the outlet?
Question by: Joey on Jan 29, 2023, 9:03 AM
Thanks for the question! In Tank Dimesnions: 12.4"L x 4.3"W x 3.7"H
Answer by: James Johnson (BRS Staff) on Feb 15, 2023, 1:52 PM