8 Best Hang On Back (HOB) Filter for Aquarium Reviews in 2022

HOB-aquarium-filterOne of the popular types of aquarium filters in the market today is the hang-on-back filter (HOB). Your concern now is which type of HOB filter you should choose.

If you search Google for the best hang on back filter, you will be surprised by the results you get. The market is filled with different types of HOB filters, but not all can provide the services that you need. Others are not as effective in the filtration process.

To make it easier for you to find the right filter for your aquarium, we have reviewed eight hang on back filters that you can consider buying.


Best HOB Aquarium Filter Reviews


1. Aqua Clear Fish Tank Filter

Aqua Clear is a brand known to provide quality fish tank filters. At present, it is recognized as one of the versatile hang on back filters in the market. With its unique design, it enables more media volume, which gives more time for the water to gets in contact with the filter. This will result in better filtration, which leaves the water crystal clear.

The control reduces the flow up to 50%, which keeps the impellers or motors of the filter unharmed. Aqua Clear Filter innovative recirculation grid is vital to provide the level of performance that you want. This HOB filter for goldfish is very versatile and is recommended for sensitive types of fish.

The water passes into the filter media, not only once to provide cleaner water. This brand comes with the Cycle Guard system that enables the addition of ceramic media. It makes sure that the best possible filtration is conducted.

Things We Liked

  • It has a large filtration media
  • It can accommodate a significant amount of filtration media
  • Operates silently
  • With impressive filtration capabilities

Things We Don’t Like

  • The media bags are a bit costly
  • Debris gets trapped in the propeller box


2. Azoo Aquarium Mignon Filter

If you are looking for not just a versatile hang-on-back filter but also a well-designed elegant and beautifully packed filter, then Azoo Aquarium Mignon Filter 150 is the right choice. The good thing is that it is priced reasonably.  This Mignon Filter 150 by Azoo is recommended for tanks up to 30 gallons.

This filter comes with all the extensions needed for intake, and also intake sponge covering cartridges, and filter sponges. It has an adjustable knob that is easy to control and use, and it creates a good flow of the water. The water is maintained well for the fishes. The Azoo Aquarium Mignon Filter 150 will not struggle as the motor will run smoothly.

The intake tube is very clear, and it has a black sponge carbon filter that works perfectly. It is almost unnoticeable and does not attract attention in the tank, which is impressive as it enables the viewer to enjoy the scenery. This well-made filter is easy to assemble.

Things We Liked

  • Operates quietly
  • Recommended for small tanks
  • Includes a flow control
  • Adjustable flow rate
  • With Protective pre-filters

Things We Don’t Like

  • Instructions are not clear
  • Low-quality filter media


3. Seachem/Tidal Power Filters

Seachem Tidal Power Filter is from Italy is a HOB filter for saltwater or freshwater applications with a self-priming feed pump and a built-in surface skimmer. This model does not require priming and operates quietly with a hang-on filter design. Adjusting the flow rate is quite easy with uppermost and lowermost dial to decide whether you like to pull the water from the surface skimmer, take-in pipe, or you can do both.

You have the option of using heater clips found on the side, but it can be removed if you do not want to use them. On the top of the filter, you will see a blue peg that will automatically pop up, alerting you if it needs maintenance.

Seachem Tidal Power Filter 55 gallon model can push 250 gallons per hour and makes use of a 6 watts as the media can hold 1.2 Liter. It is newly designed to provide your aquarium with the best filtration and requires less maintenance to provide super clean and healthy water for your fishes.

Things We Liked

  • Adjustable flow rate
  • Three-stage filtration
  • Very quiet, dependable, and durable
  • Powerful filter
  • Upon registering you can extend the three-year warranty to five-year

Things We Don’t Like

  • The media basket gets clogged easily.


4. MarineLand Penguin HOB filter

One of the good options for your aquarium is the MarineLand Penguin Power Filter. This hang-on-back filter is easy to manage for both hobbyists and beginners fish owners.

MarineLand is available in four different sizes, which lets you choose your filter depending on your tank preference. It does not matter how big or small you choose, this brand filter the water impressively.

A good quality filter cartridge can eliminate your fish’s left-over foods and dirt in the water.

It features a three-stage filtration process – chemical, biological, and mechanical. This filter ensures that your aquarium is cleaned and free from contaminants.

The MarineLand Penguin Filter protects the beneficial bacteria with its bio-wheel filtration process, which is essential for a complete filtration process. The fish tank will be free from ammonia as well as other harmful matters. It has a reliable and sturdy construction that will last long.

Things We Liked

  • Durable and sturdy construction
  • Impressive biofiltration media
  • Powerful performance
  • Available in four different sizes

Things We Don’t Like

  • Hard to maintain
  • Bio-wheels are fragile


5. Fluval C Power Filter

Fluval C Power Filter is designed to produce exceptional water quality in mind. It comes with lots of impressive features to improve your fish tank water quality.  This power filter offers five stages of filtration.

Stages one and two are mechanical filters that are essential for better biological and chemical filtration. The two stages use a large area poly/foam pad to trap bigger particles in the finer debris and porous foam that are caught by dense polyesters.

Stage three has high-grade activated carbon insert for adsorption of impurities and eliminates unwanted odors and provides clear water.

Stages four and five are Biological C-Nodes, and Biological Bio-Screen joins forces to provide better removal of toxins. This power filter has a patented re-filtration system that can control the water flow, so you can control it to suit your sensitive fish and plants. This HOB filter for reef tank is designed for saltwater water.

Things We Liked

  • Five-stage filtration
  • Easy to clean and set up
  • Operates quietly
  • Supports flow rate control
  • Suitable for sensitive fish and plants

Things We Don’t Like

  • This filter is quite expensive.


6. Aqueon QuietFlow LED PRO Aquarium Power Filters

Are you looking for a high-quality filtration process for your aquarium? Aqueon Power Filters is a good choice. This four-stage filtration process power filter provides a cleaner, odorless, and clearer aquarium.

The filtration stages include passing into chemical, biological, mechanical, and a wet/dry diffuser grid processes. Aqueon high flow rates can result in pro aquarium power filters to make sure that the oxygen will reach the fishes on time, thus providing healthier and clean water.

Its patented biological grid has a huge surface area to protect the beneficial bacteria and eliminates nitrates and ammonia. The filter pump is submersed in the aquarium, so there is no need for priming when installing or when restarting the filter after cleaning or during power interruptions.

An internal pump makes the operation virtually silent, less chance for leaks, a thinner profile, and less chance for leaks.

Things We Liked

  • HOB filter for freshwater and saltwater aquarium
  • The internal pump keeps the operation silently
  • It features four stages of filtration
  • Higher flow rate for better oxygen delivery into the fish

Things We Don’t Like

  • It is not durable


7. Whisper IQ Power Filter for Aquariums

Whisper IQ Power Filter for Aquariums is yet another product that you should not miss. It has unique features like Quiet technology as compared to other filters it can work silently. Check out the product if this feature is essential to you.

Also, the filter offers a StayClean technology that helps in keeping the tank surrounding easy to maintain so your fishes will remain healthy and happy. The filter has a sound barrier that will help in reducing the sound to less than 40 dB. It is one feature that you need to focus on when searching for a good filtration system.

The filter can also reduce the water flow at 10GPH for bettas and low flow needs.

Things We Liked

  • StayClean Technology
  • Can reduce the flow control
  • Operates quietly
  • It does not require priming
  • With adjustable telescopes

Things We Don’t Like

  • Requires frequent changing


8. Tetra Whisper Power Filter for Aquariums

One of the popular brands of fish tank filter is the Tetra. This brand has been providing the best fish tank filter for over 50 years. If you are on a budget, this is the best brand for you. Although this is a filter on a budget, it still has the necessary features like an adjustable flow rate and requires less maintenance.

You can choose from five different models that can fit aquariums from 10 to 60 gallons. Tetra Whisper Power Filter comes with everything you need to start right away. Even though it operates with a loud sound, the flow rate is impressive and keeps the water clean and clear. The top-mounted dial makes changing the flow easy.

One thing that makes this particular product unique from others is its very customizable internal layout. You can position any kind of fish filter on it. For those with a limited budget but in need of good filtration right away, this is a good choice.

Things We Liked

  • Cost less than others
  • Recommended for tanks up to 60 gallons
  • Easy to use and maintain
  • Durable and long-lasting

Things We Don’t Like

  • Produces noisy sound
  • Has low-quality filtration media


Factors You Need to Consider in Choosing the Best HOB Filter

You don’t just buy the first HOB filter you find online. We have enumerated below some of the essential factors that you need to consider:

The Flow Rate

In choosing an HOB filter, the first factor you need to consider is the flow rate. Your needs for the filter may differ significantly on the size of the aquarium. It is essential to purchasing a model that provides a higher flow rate so the filtration can go as fast as possible.

Filtration Media

The one responsible for removing the impurities in the water is the filtration media. It does not necessarily mean that more filtration means better filtration. The essential thing is the type of media.

Regardless of how many filtration media the filter have, just make sure that it has the best type and quality media. It is useless to have filters that would not help with the filtration.

Maintenance of the Filter

One of the essential factors aquarium owners are looking for when choosing a fish tank filter is the ease of maintenance. The amount of time and effort you need to spend on to complete the cleaning process is what matters.

Each model has its method and process for cleaning. Pick the model that is easy to maintain and clean.

New Technology

To impress the consumers, manufacturers usually introduce new technology in their filters. The technology should be something that will enhance the functionality of the filter and will help it to become more efficient than others. You must take some time to check out the differences between models before you decide which one to buy.


Not all brands will provide a high level of filtration that users need today. Some brands excel in the filtration industry than others. You need to check out popular brands like Aqueon, Fluval, AquaClear, and others of high quality.

Reading reviews about your preferred model can help you decide and know more about the product.



Would you allow your fish to die due to suffocation? In the past, providing the fish clean and healthy place to thrive is quite impossible. Today, there is no excuse why you should not be able to provide them a better place to live on. Among the eight HOB aquarium filter we reviewed, we find the Aqua Clear Fish Tank Filter as the best.

One of the deciding factors we mentioned above is that it produces less sound than others. Also, it is very versatile. Make sure that you choose the one that can handle the size of the aquarium and the amount of water when it comes to flow rate. If you want to share your ideas or have questions about hang on back filter, feel free to comment.