7 Best Hang On Back Protein Skimmer Reviews & Buying Guide (2022)

Best Protein Skimmers Overview

What exactly is a “skimmer” when it comes to a fish tank? If you keep fish in an aquarium, you undoubtedly already know that over time, the water in the tank may get cloudy and contaminated with germs, dirt, and grime. You will need to take the essential efforts to ensure that the water in your fish aquarium is kept clean and glistening all the time by using the very finest hang on back protein skimmer. This will allow you to avoid the problem. If the water in the aquarium is not cleaned for a lengthy period of time, it poses a significant risk to the health of your aquatic pets and might even be deadly. To be of assistance, we have compiled a guide that is based on evaluations of protein skimmers and skimmers that hang on the back.

Investing in a good protein skimmer can help you maintain a healthier and more sanitary aquarium. If you are new to keeping fish, you may not be aware that a protein skimmer hung on back can aid by removing some of the buildup of dirt, filth, and other types of germs. This is especially true if you are new to keeping fish in an aquarium. Additionally, it is effective in removing organic stuff that is floating about. Some individuals are under the impression that a protein skimmer and a filtration system are one and the same, however this is not the case. A protein skimmer is an aquarium device that generates air bubbles and assists in the removal of organic materials from the water. Since of this, it is imperative that you do not get the two terms confused because you will need both a filtration system and a protein skimmer. It is quite necessary to have, particularly if you keep a large number of aquatic creatures and plants. Therefore, not only are you assisting your aquatic creatures to have potentially better health and living in a safe environment free of toxins and the risk of getting sick, but you are also getting the opportunity to have a crystal clear tank along with an enchanting filtration system/protein skimmer for sale that produces bubbles. This is a win-win situation for everyone involved. While some individuals find the bubbles to be calming, others do not share this sentiment.

We looked at a variety of websites, conducted a search on the internet, and read a large number of product descriptions before deciding on the top protein skimmers. We are going to check that you are getting the very greatest protein skimmer possible. Therefore, in order to assist you in locating the precise protein skimmer, we have compiled a list of the top 7 distinct kinds of protein skimmers that are the greatest protein skimmers that are now available on the market. We have collected top-rated hob protein skimmer reviews from people who maintain aquatic creatures and plants and utilize protein skimmers on a daily basis. These individuals skim protein from their aquariums on a regular basis. We have included the reviews which these customers have left for the things they have purchased, which vary from owners who are new to the hobby to owners who are seasoned veterans. Therefore, if you are unfamiliar with protein skimmers or if you are just in the market to buy a new one that functions better than the one that is currently in your tank, just continue reading the article, and we will do our best to help you understand and choose a top protein skimmer that is going to work for your requirements. If you are unfamiliar with protein skimmers or if you are just in the market to buy a new one that works better than the one that is currently in your tank, then

Best Hang On Back Skimmers Buying Guide

When searching to buy the finest protein skimmer, there are a few essential features that you should be on the lookout for, and we are going to go into detail about those features in the next section of this article. Let’s go through some of the ways you may get more information before making a purchase.

What Is a Protein Skimmer Used For

If you are reading this tutorial, you most likely already have a good idea of which protein skimmer is the most effective. However, in the event that you are required to explain what a protein skimmer is to someone, a protein skimmer is a foam fractionator that assists in the removal of organic components from water, such as fecal matter and food particles. It is often used in aquarium tanks, where it serves the purpose of maintaining the water’s pristine clarity at all times. The most effective protein skimmers may be identified by their location at the very top of the aquarium tank and by the production of bubbles. So, what does a protein skimmer do?

How Does The Best Protein Skimmer Work/How to Use a Protein Skimmer

The finest protein skimmers are designed to remove protein, organic waste, and any other potentially harmful particles that may be present in an aquarium tank in an effective and efficient manner. Protein skimmers are the key component of the filtration system that will assist in improving the purity and quality of your water supply.

  • Active Waste Removal

A protein skimmer is capable of doing active waste removal. They depend on the absorption that occurs as a result of chemical processes in order to assist clear the water column of organic material. This waste material travels to the top of the air bubbles and accumulates there. In order for the procedure to be successful, the pure water is forcefully mixed with air. Because of this, thousands of these protein-skimming bubbles are drawn to the area. Any organic matter that is present will attach themselves to the microbubbles as they go through the skimmer. This organic matter will then be condensed and either transferred outside of the tank or collected in the collecting cup of the protein skimmer. This collecting cup must be cleaned on a regular basis, particularly if there are a great number of fish currently residing in the aquarium.

  • Mechanical Filtration

In addition, mechanical filtering methods are used by the protein skimmers. These function by physically capturing and removing particles from the water, which results in the water having a considerably more transparent appearance. To be honest, the majority of the time, the waste material will not be visible to the human eye at all. The mechanical filter does not need regular maintenance and does not need to be changed.

  • Chemical Filtration

In addition, chemical filtration techniques are used by protein skimmers. This accomplishes its goal by drawing any particles into the system, where they are then ingested. However, only unusual filters will be used to discover rubbish on the surface. Because of this gradual decline in efficiency, various forms of media will eventually need to be replaced.

  • Biological Filtration

One such method by which the most effective protein skimmers function is by using aerobic microorganisms to break down potentially hazardous nitrogen molecules. This filtering procedure will eliminate any and all other chemicals, leaving your tank spotless and completely transparent.

  • Secondary Benefits

Therefore, in addition to eliminating contaminants and enhancing the general condition of the water, it is also particularly effective at lowering phosphates, which inhibits the formation of algae and is therefore beneficial. It will assist sustain a huge file load in addition to eliminating biological toxins, supporting normal gas exchange by helping boost oxygen, maintaining an adequate ph balance and avoiding acidic conditions caused by carbon dioxide, and helping to maintain an appropriate balance of oxygen. It will assist in the elimination of any greasy surface waves and will assist in the improvement of your aquarium. Last but not least, it will assist in the elimination of germs that cause sickness.

How Do You Clean The Best Protein Skimmer

It is usually advised that you clean out your protein skimmer once every six months when you have the greatest protein skimmer. If you do not do this, the machine may cease operating, which will prevent the water from being clean and filtered, putting everybody who lives in the area at danger for their health. To begin the process of cleaning, the very first thing that needs to be done is to change the air tubing that is already in place. If it has stopped functioning properly, there is no use in trying to clean it; at that point, you should simply replace it. Although it is not usually suggested to do so, disassembling the protein skimmer on a piece-by-piece basis may, on occasion, be an effective approach to fully clean it. The very first thing that you have to do is put it into a pot of boiling water and let it sit there for a few hours. Scrub the affected areas with an old toothbrush or other kind of brush to remove any organic feces that may have been left behind. After you have finished doing this, thoroughly clean the system and check to see that it does not contain any soap or other residue, since this may be quite harmful to the occupants of your tank.

Does a Protein Skimmer Remove Nitrates?

Protein skimmers are designed to separate nitrates from any other particles to which they may have attached themselves. Microalgae, which may commonly be found in aquariums, are the organisms that are responsible for the consumption of the nitrates. It is possible to have them removed without having all of the microalgae removed, which is something that should be done if feasible since it is better for the fish.

Does a Protein Skimmer Remove Phosphates?

Proteins, which make up the majority of the organic waste products in an aquarium, may be removed by using the protein skimmers, which are specifically built for this purpose. The majority of these phosphates originate from other sources, such as the water that comes out of the tap or from other sources of water. Even with the most advanced protein skimmer, it is not feasible to remove all of the water’s phosphates; nonetheless, a portion of them will be eliminated throughout the process of cleaning the water.

Does The Best Protein Skimmer Remove Algae?

It is feasible to dramatically cut down on the amount of algae that grows in your water tank if you take the appropriate steps. On the other hand, it won’t be enough to eradicate all of the algae. Just make sure that you have another technique on hand, like as a filtration system for your aquarium, to assist you in getting rid of any algae that may have been left behind.

Does a Protein Skimmer Remove Ammonia?

Protein skimmers are only capable of removing a trace quantity of ammonia from the water. If you discover that your aquarium generates a significant amount of ammonia, you may need to switch to a different kind of filtration system that is intended to remove ammonia from the water in order to properly maintain the water quality in your aquarium.

Does a Protein Skimmer Remove Calcium?

The removal of calcium is a secondary goal pursued by many protein skimmers. On the other hand, this scenario is not typical. Since this is the case, removing all of the calcium from the tank is not an option. Simply said, the particles are very minute.

How to Tune the Best HOB Protein Skimmer

You may be curious about how to activate a HOB skimmer in your pool. The functioning of many of the finest HOB skimmers is distinct from one another, and you will need to have a certain configuration for them in order for them to perform successfully in your aquarium tank. Therefore, you will need to educate yourself on how to properly adjust your protein skimmer. Using the instruction manual provided by the manufacturer, you are able to expressly optimize your model. It will take around three weeks to pass before you will be able to change the dials and discover the precise setting that is appropriate for your aquarium tank.

How to Choose the Best Hang on Back Skimmer

You will need to check into a few specific pieces of information if you want to know how to pick a specific best protein skimmer for your kind of aquarium if you are wondering how to do so. If you have a larger tank, you will need to invest in a more robust pump in addition to a protein skimmer that is proportionately larger. The purpose of each protein skimming machine is the same. In spite of this, there are still businesses available on the market that provide individualized procedures for aquarium tanks.

Aquarium Protein Skimmers

There are machines that can remove excess protein from freshwater as well as saltwater. Before you go out and buy an aquarium, you should make sure you have a good understanding of the many kinds available. When searching online, you will find that the manufacturer will always indicate which kinds of skimmers may be used for various types of aquariums. This information can be found in the product description. Nevertheless, it’s not only about the sort of water, but also about the size of the tanks themselves, so keep that in mind. To tell you the truth, everything is determined by the make and capacity of the skimming device that you purchase.

How to Set Up

If you want to carefully set up the finest protein skimmer, all you need to do is make sure that it will function and follow the installation instructions that the manufacturer provides. The majority of protein skimmer manufacturers will provide you with an extremely comprehensive manual that outlines each and every stage of the assembly process.

Best Protein Skimming Brands

You need to keep in mind that a low-cost protein skimmer has a lower chance of successfully filtering the water. There will be some that are outstanding, while others can simply be average. It is quite necessary for you to get prior knowledge about the brand and the reputation of the brand. This manner, you may obtain the protein skimmer that offers the most value for your money while still performing as expected. If you are going to purchase a used one, you are going to want to check to see if it is still capable of performing its intended tasks. Coral View, Bubble Magnus, and Aqua Max are just a few of the many well-known and highly regarded brands of protein skimmers. If you are still unsure about the sort of protein skimmer that you should get, you may ask other people who keep fish if you know any.

How Much Maintenance Will It Need/How to Install a Protein Skimmer

When you invest in the absolute finest protein skimmer, you will eventually find that you need to replace it after every few days. You won’t have to constantly switch the collecting cup if it’s a more important cup because of this new development. On the other hand, if you get a skimming device that is more compact and has a collecting cup that is less capacious, you will discover that you need to change it more often. Some protein skimmers come equipped with a drain already installed, which makes the process much more convenient for you.

Best Hang-On-Back Protein Skimmers

When you are shopping for protein skimmers online, you are going to need to be familiar with the many kinds of protein skimmers that are currently on the market. You could believe that there is no difference between the many protein skimmers available, but that is not the case. There is a wide variety of various sorts of the finest protein skimmers, and you are going to need to choose the one that is most suitable for your fish and the kind of tank that you have in order to meet your individual requirements.

Air Counter Current Skimmers

Most of the time, using air powered counter protein skimmers is going to be the most effective method of purifying the water in your tank. In spite of the fact that they are handy, you will need to clean them out on a regular basis since they do not retain very much. In most cases, the most effective protein skimmers function well when paired with a wooden air diffuser and a robust air pump. One of the features of this kind of protein skimmer that you are going to like is the fact that it is intended to generate a significant amount of foam. You may also anticipate receiving uniform bubbles each time it is put into operation. Because this particular kind of protein skimmer makes use of air stones, you may sometimes find that you need to replace those stones. On the other hand, a great deal of it is going to be determined by the quantity of materials that is going to be filtered. When it comes to changing the air stones, some individuals discover that they need to do it on a more frequent basis than others, while others find that they only need to do so once every two months. Always make it a point to examine the diaphragms of the air pump and to replace them if they seem to be on the verge of breaking. You should still ensure that the protein skimmer in your aquarium is operating at maximum capacity so that the water quality in your aquarium remains high for your fish.

Venturi Skimmers

To generate bubbles inside of your aquarium, a Venturi protein skimmer will make use of a Venturi injector. When compared to other kinds of air-driven skimmers, the length of this particular kind of protein skimmer is often quite a bit less. As a result, they are going to want a more powerful protein skimmer pump in order to assist in driving its characteristics. One of the advantages of having this kind of protein skimmer is that it is a fantastic choice because it produces a huge quantity of bubbles, and it will clean the water in the aquarium very fast and effectively. This is one of the perks of owning this kind of protein skimmer. It is critical that your skimmers be paired with pumping systems that have a high level of efficiency at all times. If you don’t do this, there won’t be nearly as many bubbles, and the water won’t become as clean. We are unable to put enough emphasis on how essential this step is; without it, none of the organic chemicals or feces that are in the water will be removed. Many protein skimmers of this sort are equipped with a spray head that facilitates a more thorough incorporation of air into the liquid being filtered. When compared to more conventional protein skimmers, the installation process for this particular sort of machine will prove to be far simpler. Look at the accompanying instruction manual if you are unsure how to install it. These high-performance pumps are often quite popular due to the fact that they are capable of sustaining themselves without the need for the user to periodically clean them out.

Downdraft Skimmers

In comparison to more conventional forms of protein skimmers, a downdraft best protein skimmer has a significantly different layout. It makes use of a jet stream of water, which will spray in the form of a column while moving at a rapid rate. When the bubbles have finished traveling through the bio columns, they will proceed to the next part of the system, which is known as the sump box. This serves to redirect the water upwards and assists in the formation of foam that is much more dense. In a device of this kind, a protein skimmer, it is prudent to include a connection to the water route; by doing so, the bio ball column will have an easier time doing its duty. Having this additional connection is a great approach to assure the enhanced response time of the bubbles since it guarantees a chain reaction. Therefore, you will need to have a very strong pump in order for this model to function properly. In contrast to other types of protein skimmers, you will need to go for one that is both very durable and much larger than the others.

Aspirating Impeller Skimmer

A protein skimmer with an aspirating impeller functions in most ways in the same manner as an affordable aeration system. It does its job by guiding the air towards the pump’s impeller, which subsequently produces bubbles as a byproduct of the process. This particular kind of impeller is designed to make use of a needle wheel, which is a key component in the process of slicing up air bubbles to the point where they are extremely little. You will have a lot simpler time keeping the water in your tank clean if you use bubbles that are smaller. You will discover that this sort of finest protein skimmer performs admirably even when paired with pumps that have a lower power rating. There are a lot of individuals who have the misconception that the longevity of these specialist impellers is poor, but this is not the case at all. You can often find inexpensive hang on back protein skimmers for sale like these, and they will continue to perform well for a very long time.

Common Problems/Questions

It’s possible that you’re experiencing some issues with, or have some queries about, your protein skimmers. We have compiled a list of frequently asked questions that people have concerning their protein skimmers in the hopes that this will assist you understand any difficulties or concerns that may exist and, ultimately, find a solution to them. It is my hope that the answer to your query may be found below, and that it will assist you in resolving the issue. Please be aware that if you have the warranty on your protein skimmer, it is probable that you can have the issue rectified by contacting the business. If you do not have the warranty, it is unlikely that you will be able to get the problem solved. If you do not have the warranty, however, you will need to determine if you can fix the issue on your own or whether you would need to replace the device.

Protein Skimmer Not Foaming

The fact that your protein skimmer is not creating any foam or bubbles might be due to one of a number of factors; nevertheless, this does not indicate that it is broken. It’s possible that the skimmer you have is simply unsuitable for the size of the tank you have. It’s also possible that the skimmer is on the verge of breaking, which would be another issue. If you have a low bioload, this might be another reason why your protein skimmer is not creating any foam. If you do not have a high bioload, this could also be the case. If, after fiddling with the skimmer a few times and ensuring that everything is correctly put back together, it still does not function properly, then you will need to purchase a new one. However, if the problem can be fixed by making a small adjustment to the skimmer, then you should try that first.

Why Is the Protein Skimmer Overflowing?

There are a few potential causes to consider if you notice that the protein skimmer you are using is becoming full too quickly. It’s possible that you have an excessive amount of foam coming out of the sides on the top of your protein skimmer. Before making any changes to the configurations, you should start by reading the owner’s handbook provided by the device’s manufacturer. This should be done before making any adjustments. It is essential that you be aware that each brand operates in a very distinct manner, and also, you will be required to implement the recommendations made by the manufacturer. Moving the collection cup to a higher position can often solve this problem quickly and easily. By doing so, the cup will have easier access to the water and any excess water will be able to drain away more easily.


Sometimes, even greatest protein skimmers generate sounds. It is most probable that the pump is the source of any noise that is being produced by your protein skimmer. You have to check that the pump is appropriately calibrated and that there are no leaks in any part of the mechanism. In the event that the pump develops a leak, you will need to make sure that the problem is fixed as soon as possible. In the event that the pump has been worn out, you will be required to either replace it or purchase a new one. You will not be able to restore the protein skimmer’s ability to perform silently in any other manner.

Where to Put Protein Skimmer Installer Sump?

Before you go out and buy a protein skimmer, the very first thing you need to do is examine the measurements of your sump tank in relation to those of the skimmer. If you have already made the mistake of purchasing the wrong size, then you will need to make the exchange as soon as possible. The majority of the time, you will discover that the reason why your protein skimmer sump is giving you problems is because it has a restricted amount of free area. It is possible to improve the performance of even the greatest protein skimmers by purchasing an additional submersible water pump.

When Do I Need to Turn It On?

A lot of folks decide that they want to have their protein skimmer going all day long. You also have the option to turn it off and then turn it back on again when necessary. Slime and other forms of organic waste will always be produced and expelled from the tank by any and all live species, whether they are fish, coral, or any other kind. They are going to have to live in water of a worse quality if this water is not purified on a constant basis. Even while it is not advised to switch off the protein skimmer since it is possible that you will forget to turn it back on, you are free to simply let it run constantly if you choose. Having said that, you really must put a mental note in your calendar to empty it.

Best Hang On Back Protein Skimmers Comparison

ProductTank CapacityAir FlowWater FlowExtra FeaturesRatings
Macro Aqua M-60 Hang-on External Protein Skimmer120 Gallons80 GPH320 GPHNeedle-to-wheel impeller3.2 of 5BUY NOW from Amazon.com
Reef Octopus Classic 100-hob Protein Skimmer105 GallonsN/AN/AAdjustable surface skimmer attachment4.3 of 5BUY NOW from Amazon.com
Macro Aqua M-50 Mini Hang On External Protein Skimmer60 GallonsN/A238 GPHNeedle-to-wheel impeller4.5 of 5BUY NOW from Amazon.com
Reef Octopus Bh90 Hang On Protein Skimmer130 GallonsN/AN/ACylindrical body
Siphon feature
Skims top of water
4 of 5BUY NOW from Amazon.com
Eshopps HOB protein Skimmer75 Gallons60 GPHN/ASilent3.5 of 5BUY NOW from Amazon.com
Coralife Super Skimmer With Pump125 GallonsN/AN/ANeedle-to-wheel
Wide neckg
Bubble production diffuser
3.4 of 5BUY NOW from Amazon.com
Cpr Bak-pak 2 Hang On Back Protein Skimmer55 Gallons50 GPH220 GPHNeedle-to-wheel impeller3.7 of 5BUY NOW from Amazon.com

Top Rated Hang On The Back Protein Skimmers Reviews

1. Macro Aqua M-60 Hang-on External Protein Skimmer Review

The Macro Aqua External Protein Skimmer is a skimmer of superior quality that can be used in aquariums with a maximum capacity of 120 gallons. This filter has a flow rate of 320 GPH and is designed to be hung on the wall. At this moment, the airflow is operating at a rate of 80 GPH. It is very useful in assisting in the eradication of any waste and particles that have been left behind, which may be dangerous or filthy for organic fish or plants that are still alive. When you are ready to use it, just take the collecting cup off and get rid of any extra waste that has accumulated over time. Both the installation onto your tank and the operating of it are fairly straightforward. A needle-to-wheel impeller, which will assist enhance the quantity of air that the water comes in touch with, has also been installed inside of this protein skimmer so that it can do its job more effectively. One of the most effective protein separators available externally.


  • High Quality – This product is of a very high quality and will assist you in ridding your aquarium of any extra waste material that may be hazardous to the health of your aquatic companions.
  • Large Capacity – There is a weight capacity of 120 gallons, which makes it an excellent choice for bigger tanks.
  • Efficient – This method is very efficient in getting rid of organic waste and other types of dangerous microorganisms.
  • Installation is simple; all you have to do is hang it from the top of your tank.
  • Needle-to-Wheel Impeller – The wheel is put inside the protein skimmer and will assist in regulating and increasing the quantity of oxygen that the water comes into contact with.


  • It Takes a While to Prime Despite the Fact That Many Customers Were Pleased With the Price and Usage of Their Product, Many Customers Were Dissatisfied With How Long It Took to Program the Protein Skimmer. Some customers have mentioned that it took them an entire day to get the aquarium’s settings where they wanted them to be.

2. Reef Octopus HOB Skimmer Review

At this pricing point, the Reef Octopus Classic Protein Skimmer is easily one of the most impressive skimmers available on the market. It has the ability to filter 105 gallon tanks to a satisfactory level. In addition to being simple to set up, it also has a design that makes it extremely simple to operate, which enables the pump to be permanently fixed within the tank. In order to install the protein skimmer, first secure it to the rear of your aquarium, then check to see that it is securely placed, and then, adjust the inner strainer so that it is effectively skimming the water. The protein skimmer is designed to be highly efficient with a pinwheel pump, which will help produce a good amount of water and oxygen to maximize the benefit of very clean water and waste removal. It is constructed entirely out of acrylic of the highest possible quality, and it is the only material used in its construction.


  • This protein skimmer has a large capacity and can clean aquariums that are up to 105 gallons in size.
  • Easy Installation: All you have to do to get started is hook it up to the rear of your tank and you’re all set.
  • Adjustable Fish Tank Surface Skimmer This fish tank is equipped with a surface skimmer that can be adjusted so that it only filters the water at the tank’s surface.
  • Pump with a Pinwheel The use of a pump with a pinwheel guarantees that the protein skimmer is able to reach all of the water in the tank and filter it.


  • No Directions Because this protein skimmer does not come with any directions, many customers have voiced their dissatisfaction that it is difficult to set up. As a result, you are required to find out how to set it up and adjust all of the settings on your own.

3. Macro Aqua M-50 Mini Hang On External Protein Skimmer Review


  • High Quality – This protein skimmer is made from high-quality materials that will not break and will continue to perform over time. This ensures that it will not be a waste of money.
  • Because of its little size, this hob protein skimmer is suitable for use only in aquariums containing no more than 50 gallons of water.
  • Efficient – Not only is it efficient in removing any contaminants from the water, but it is also highly efficient at skimming the surface of the water.
  • Easy Installation: Just hang it on the rear of your tank, and you can see it go to work right away.
  • Needle Impeller: The needle impeller helps to spin the water around the tank and guarantees that the protein skimmer is filtering through each and every particle. It also helps to keep the needle impeller clean.


  • The fact that this device does emit a low noise has been cited as a complaint by a few individuals. This is analogous to a buzzing sound and has the potential to quickly offend those who are anticipating a totally silent protein skimmer. It is possible that the noise will become intolerable for you if you are using a filter in conjunction with the protein skimmer.

4. Reef Octopus Bh90 Hang On Protein Skimmer Review

This one-of-a-kind protein skimmer, known as the Reef Octopus Protein Skimmer, has a body that looks like a pretty interesting octopus. This helps to minimize the strain on the pump and pump more oxygen into the water. The protein skimmer makes use of a siphon to assist in the processing of the water throughout the skimmer. This aquarium skimmer is designed for use with tanks up to one hundred gallons in capacity, and it has a pinwheel pump that assists in the circulation of the water pressure. It is capable of reducing turbulence, skimming the surface of the water, and features a collecting cup that is not only simple to remove but can contain a significant quantity of trash.


  • Air Silencer – To ensure that the protein skimmer does not create any audible disturbances.
  • The protein skimmer is positioned on the exterior of the tank and hangs over the side. This configuration is referred to as an external protein skimmer setup.
  • High Quality – It is constructed not just from high-quality materials but also with the intention of being long-lasting and durable.
  • Reducer That Is Easily Removed For Turbulence The reducer that is easily removable for turbulence will assist in regulating both the airflow and the waterflow.
  • Simple Assembly: All you have to do is attach it to the rear wall of your aquarium.


  • Short Lifespan – The maximum lifespan of this unit is about one year; nevertheless, some people have reported that it only lasted for five months, while others have kept it for longer. Despite having a somewhat limited lifetime, this works really well, and it comes with a sufficient number of additional functions to compensate for its lack of longevity.

5. Eshopps HOB Skimmer Psk-75h Review

The Eshopps Hang On Protein Skimmer is a piece of machinery that is capable of exceptionally high levels of performance. A bubble plate is included, which helps guide and focus the flow of air bubbles for best effectiveness. It also comes with a collecting cup that can be removed from the device. In addition to this, it has a knob that enables you to alter the volume of water in the tank so that it conforms to the specifications of the environment that you are keeping. The acrylic material was specifically developed to be long-lasting and resistant to wear and tear. The ecosystems of saltwater and/or reef aquariums are the ones that are most likely to benefit the most from this. It is capable of supporting aquariums with a capacity of up to 75 gallons.


  • High Performance: The design of this protein skimmer allows it to move a significant volume of air through the system.
  • Wheel Pump – The wheel helps to circulate the water around the aquarium so that it may be enjoyed by everybody.
  • Bubble Plate The bubble plate contributes to the formation of more air bubbles while also assisting in the control of the flow of air.
  • Adjustable Knob The protein skimmer is equipped with a knob that can be adjusted, allowing for more precise control over the water pressure and contributing to the development of the ideal habitat.
  • This protein skimmer is ideal for use in saltwater and reef systems since it was developed with these particular sorts of settings in mind.


  • Difficult Instructions – A lot of customers have complained that the protein skimmer is difficult to use and that it’s difficult to get the settings just right. After the system has been installed, the protein skimmer will function quite well.

6. Coralife Super Skimmer With Pump


  • This system is suited for environments such as saltwater and reefs since it can handle the harsh conditions.
  • System with Needle Wheels The use of a needle wheel system will assist in the formation of a vortex, which will clear the tank of proteins and other organic components.
  • Extremely Effective – It is exceptionally efficient in the process of cleaning the tank.
  • The collecting cup has a broad neck, which makes it simple to rinse off any residue that may have accumulated during use.
  • The Bubble Production Diffuser is a device that helps stop the flow of micro-bubbles from entering the main body of the aquarium.
  • Dual Injection Inlets will result in a greater number of bubbles being produced as well as an increased length of time spent in contact with the water.


  • Leaks: Although the vast majority of buyers were pleased with their purchase, a few of them have mentioned that there is an issue with this product leaking every once in a while. To resolve this issue, just ensure that there is always a towel positioned beneath the tank. This is probably because of the longer neck, which makes it simpler and more convenient to clean.

7. Cpr Bak-pak 2 Hang On Back Skimmer Review

The Cpr Bak-pak 2 Protein Skimmer is the HOB combined protein skimmer that represents the second generation of this product. This protein skimmer has a mechanism in which the water first flows down the column, then continues on to the biological chamber, which is stuffed with Bio Bale, and then flows back into the tank. The skimmer is equipped with a regeneration Venturi driven head, which has the potential to assist in increasing countercurrent flow as well as the quality of the fan gathered. The new design contains an input tube that is simple to clean, which not only helps the directed outflow but also prevents salt splash and micro-bubbles from entering the primary compartment of your tank.


  • The revitalization venturi powerhead helps cut down on the amount of time needed to boost the countercurrent flow inside the column. Simply by adjusting the height of the collecting cup, you may make simple adjustments to the foam’s consistency and quality.
  • Intake Tube That Is Designed to Be Simple to Clean The intake tube is located on the exterior of the enclosure and was created to be simple to clean.
  • Break Resistant Collection Cup – This helps to reduce the likelihood of the system randomly breaking down over the course of a significant amount of time.
  • Installation is simple; all you have to do is hang it on the rear of your tank.
  • Large Tanks Can Be Supported – It is able to support tanks that are as large as 55 gallons.


  • Poor Exterior – The sole complaint that clients have voiced about this system is that the plastic used for the exterior protection is of poor quality. However, the outside of the device is not built to be resistant to strong impact or long-term use, in spite of the fact that the mechanism inside functions like a charm.


Perform you still intend to make use of a system of this kind, thinking about all that this particular product can do for you? Not only does the very finest hang on back protein skimmer assist in maintaining a spotless environment for your fish to live in, but it also assists in preventing other potentially hazardous toxins and germs from remaining in the system. This is often not the kind of bacteria you want living in your aquarium, and it’s possible that your filtration system won’t be able to remove these kinds of particles because of how little they are. As can be seen, the most effective protein skimmer has the potential to lessen the likelihood that the water’s quality would be adversely affected by the presence of any pollutants, debris, or organic substances.

Therefore, when the time has finally come for you to choose and purchase a hang-on-back protein skimmer, there are a few essential aspects of this device that you will want to keep in mind. First and foremost, you are going to want to be aware that the majority of protein skimmers operate in a nearly same fashion. The size of the tank and the pressure level required are the two primary factors that differentiate one kind of protein skimming machine from another. Therefore, if you happen to possess either a large number of fish crammed into a single tank or a smaller tank with a greater number of fish of a smaller size, then you may need the use of a protein skimmer. The fish may be kept in the healthiest possible condition with the assistance of this protein skimmer. Always make it a point to check with the manufacturer’s recommendations to see what kinds of things they think would go well with the fish that you have. You should also consider purchasing and installing a high-quality pump.

The Macro Aqua External Hang On Back Protein Skimmer is the most highly recommended model among those that we offer in our inventory. The fact that this specific protein skimmer can handle water in quantities of up to 120 gallons was a primary factor in our decision to purchase it rather than one of the more conventional models. This machine has a water flow rate of 320 gallons per minute (GPH). It makes short work of any organic trash that could be lurking in your tank and completely clears it out. In addition to having a needle impeller and a higher air-to-water contact level, it is simple to install and does not need to be primed before use. The reviews of the hang on back protein skimmer were combed through to get all of this information.

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