The four best filters for axolotls tank that will keep them cleanHaving the best filter for axolotl is essential since axolotls are one of the fascinating fish you can add to your aquarium, but at the same time, they come with specific requirements, one of which is excellent water quality.

In this article, we have compared the best axolotl filters available online, keep reading so that you will be able to find the best one for your tank.

Comparison Table

Product Flow Rate (in gallons per hour) Suitable Tank Size (in gallons)
Penn-Plax Cascade CCF5UL Canister Filter

350 200
Marineland ML90749 Magniflow Canister 160 Filter

160 30
SunSun 5-Stage External Canister Filter

525 150
Polar Aurora 3-Stage External Aquarium Filter

264 100

The Best Axolotl Filter Options

Following are some of the best filters for axolotl tanks:

1. Penn-Plax Cascade CCF5UL Canister Filter

– Pros

  • Affordable
  • Adjustable flow rate
  • Three-step filtration

– Cons

  • Setting up the filter is time-consuming

The Penn-Plax Cascade Canister Filter is one of the most popular filters for large aquariums among seasoned fishkeepers. You can use this filter for both saltwater and freshwater aquariums which makes it a perfect deal for your axolotl tanks as they require brackish water, which is a mix of both saltwater and freshwater to survive. It is also quite simple to use and manage, but it also uses advanced technology, which is always a plus.

This product impressed us since it used multidimensional cleaning technologies. Multidimensional cleansing includes three steps of filtration: biological, chemical, and mechanical filtration devices. This is an important factor for axolotl tanks because it prevents ammonia poisoning, which is common in these fish.

Additionally, it is suitable for any fish tank holding up to 200 gallons of water, as it features a wide sponge surface that is incredibly coarse to meet that output, making it an excellent bio-filter.

The sponge surface also promotes the natural bacterial growth that cleanses fish wastes, harmful toxins such as ammonia, and unwanted nitrogen, together with cleaning up leftover meals. Furthermore, it contains a sturdy O-ring and four fasteners that ensure a secure fit on the tray holder and keep all of it together well.

– Two-Tray Filtering

The filter contains two tray filtering systems in the exterior shell, the mechanical water cleaning is done in one tray, while the chemical cleaning is done in the other. Moreover, the tray holders are made of high-quality plastic, which makes them lightweight and convenient to work with while also being sturdy.

The Penn-Plax Cascade Canister Filter helps clean the water further by using a high-quality floss pad to filter large pieces and other particle waste. In addition, it includes activated charcoal reducing any chemical imbalances or toxins in the water.

Nonetheless, this canister filter features a long-lasting motor pump that pumps water from the aquarium into the filters; you can rest assured that this pump will not break down. Moreover, it is a unique axolotl filter system as the motorhead features two pipes that operate as dual regulators.

While we compared this filter with other products in the marketplace, this one was very affordable while still being as efficient. It is a great advantage as the axolotl water filter packs a punch and is not heavy on the pocket, because you get a high-quality product for just a fraction of the cost, and it includes whatever you need to begin in one little package.

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– Overview

The Penn-Plax Cascade Canister Filter is one of our favorites as it combines mechanical, biological, and chemical filtration, keeping your aquarium as clean as possible. It has a great motor, lasts a long time, and is ideal for a medium to large-sized fish tank.

It contains everything you require to maintain your tank safe and healthy. We like how effective this filter was at removing contaminants from water, which is why many aquarists recommend it for an axolotl aquarium. It is the best choice if you have a medium to a large-sized aquarium.

2. Marineland ML90749 Magniflow Canister 160 Filter

– Pros

  • Three-stage filtration.
  • No bypass design
  • No space needed inside aquarium

– Cons

  • Requires a lot of storage space outside the tank

The Marineland Magniflow Canister Filter is suited for big aquariums and has good capacity. Aside from that, it is worth noting that this filter is suitable for both freshwater and saltwater use. If you want to keep axolotls, this is a great option.

It uses an innovative three-stage filtration technology: mechanical, biological, and chemical, to keep aquariums as clean as possible. It guarantees that solid waste, ammonia, and nitrites, as well as smells and discoloration, are effectively removed.

It includes bio filter balls that are efficient at producing beneficial bacteria and reducing ammonia, nitrates, and nitrites. Furthermore, the media tray slots or baskets are interchangeable and removable, allowing for simple media changes and even ease of management.

– User Friendly

This canister filter has a practical and user-friendly style, since the packing includes all of the pieces you will need to set it up. It is as simple as opening the lid, removing the baskets, changing the media, and closing everything up again. It comes with everything you could need, you will not need to run out and buy more media when using this filter.

– Bypass Problem

We like the fact that the canister filter does not have a bypass. It guarantees that all the water flows through the filter media, resulting in clean water at all times. Many tank canisters have filters for axolotls that have a bypass problem, which is that not all of the water contacts the filtration, but the Marineland filter does not. It makes it suitable for highly populated aquariums with fish that generate a lot of trash.

Furthermore, it features a primer button, which reduces the headache of priming that some filters create, and having a secure lid to protect against leaks, coming off effortlessly for easy cleaning.

This Marineland filter is also exceptionally long-lasting. The outside casing is made of high-quality plastic and other solid components that keep water within and nowhere else. The shell is quite sturdy, so the filter can definitely withstand a few drops, which is good.

– Processing Capacity

The filter has a great processing capacity and can filter up to 160 gallons of water per hour.  Canister filters frequently fall over, which is a problem for aquarists; however, this one has a stable base, which prevents it from falling around, shattering, or leaking.

One feature that we appreciate about this canister filter is that it takes up no room within the tank. Since the area within your aquarium is important, the space could be useful for fish and plants, therefore, not getting a filter in the way is an excellent factor when wanting to develop an aquatic community.

At the end, the Marineland canister filter is already pretty big, bulky, and heavy, however being an external filter, it will need some storage space outside the aquarium.

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– Overview

The Marineland Magniflow Canister Filter is a great choice for small tanks. It has a considerable capacity and is an excellent, long-lasting, and simple-to-use aquarium filter that should serve you for a long time.

It has three stages of filtration, which is ideal for an axolotl tank filter, and it comes with everything you would need for a filter. As a result, you don’t even need to buy anything individually.

3. SunSun 5-Stage External Canister Filter

– Pros

  • 5-Stage Filter
  • Includes UV sterilizer
  • Easy to clean

– Cons

  • Instructions are difficult to understand

The SunSun 5-Stage External Canister Filter is yet another unique device since it has an in-built UV sterilizer. It is a high-quality device made of sturdy plastic, making it long-lasting. It is simple to use and manage. Furthermore, this canister filter has a nicely designed appearance with no structural complications.

Even though the size of this canister filter is not tiny, the unit weighs just 14 pounds. It makes it simple to move and handle. This device is very adjustable, and you can connect any attachments you want to it to improve its functionality and efficiency.

It operates on five different filtering stages. Each one is unique from the others and improves performance than the previous stage.

The first step is concerned with mechanical preparation. The second and third stages are biological filtration, which prevents the compartments from clogging with synthetic cotton or foam. The fourth and last steps involve chemical filtration, which includes using chemicals or charcoal to eliminate contaminants.

– UV Sterilization

UV Sterilization is the most popular and distinctive characteristic of our SunSun canister filter. It guarantees that the water in your tank is disinfected completely and fresh for your underwater pets. It functions by eliminating germs as well as other pollutants in the water.

It is particularly designed to reduce algae development and bacterial growth. It provides a safe and fresh living environment for your fish, this UV filtering system produces high-quality, distilled water for your fish. Furthermore, the UV filtering system works well with dirty and polluted water only for two hours.

This SunSun canister filter is by far one of the most popular and efficient among many aquarists due to its more thorough, precise, and durable filtration processes. It is a great filter for larger tanks since it deals with enormous volumes effectively.

The operation of this canister filter is so quiet that you cannot tell whether the filter is active or not. The fact that this gadget is inexpensive is both surprising and a nice feature. It is worth investing money in it because of all of the features that it provides.

– Keeping the Filter Clean

Moreover, cleaning and installing this filter to remove all contaminants and keep your fish environment completely healthy takes between 15 to 20 minutes. The capacity of the filter is up to 150 gallons of water in the tank, the filter has a flow rate of 525 gallons per hour. This amount of power and flow rate is challenging if compared to the power offered by other canister filters.

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– Overview

The SunSun 5-Stage External Canister Filter is another good option for filters for the axolotl tank. As the name says, it has five filtration steps, which is why you will never have to worry about unclean water.

In addition, it features an in-built UV sterilizer which is an excellent addition considering the price. If you are looking for a good quality filter, you can give this a shot without worrying about anything.

4. Polar Aurora 3-Stage External Aquarium Filter

– Pros

  • Quiet
  • Inexpensive
  • Reduces algae issues

– Cons

  • Seal leaks sometimes

The Polar Aurora 3-Stage External Canister Filter features three types of media: biological, chemical, and mechanical filtration. It even comes with activated carbon, ceramic rings, a coarse filter sponge, and bio balls, so you don’t have to buy them separately.

These three different media stages ensure that the water goes through several stages of filtration and then becomes as fresh as possible for your fish. The Polar Aurora filter, like the SunSun-Stage Filter, also has a 9-watt UV sterilizer light. Also, it removes any algae spores and bacteria that may have accumulated in your tank.

Along with the three media phases, the UV sterilizer guarantees that the water in your aquarium is as clean as possible. Furthermore, the bulb gives some brightness, which will help you complete any maintenance work on the filter.

This canister filter is also self-priming, so you will not have to siphon water through the tube manually. Furthermore, since the filter is self-priming, you will not have to deal with the dirty task of priming. All you have to do is push a button, and the filter will handle the rest once everything is in place.

– O-ring Opening and Grand Volume

This Axolotl filter also contains an O-ring that fits around the circular opening at the top of the filter. It seems to be a minor feature, but it is critical to ensure that your filter does not leak. The filter’s cap also has a strong seal to prevent any leakage. It can go months without leaking or requiring a seal change.

This filter’s most appealing feature is its ability to handle a large volume of water. It has a flow rate of 525 gallons per hour and can handle up to 200 gallons of water. Furthermore, you will not need to put much work or time into this axolotl tank setup. Despite how much it accomplishes and how large it is, the Polar Aurora filter is reasonably priced.

It is also far less expensive than other larger-capacity filters on the market. Considering the simplicity of use and setup of this filter and the price, it is not hard to recommend it to beginners. Furthermore, since this filter makes no unwanted noises, you have a wider range of alternatives, but when it comes to where you will set your tank.

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– Overview

The Polar Aurora canister filter combines mechanical, chemical, biological, and ultraviolet disinfection for three phases of filtration and water treatment. Three media baskets contain a sponge filter pad, fine white particle filter pads, activated carbon, ceramic rings, and plastic bio-balls in the canister.

Furthermore, the canister contains a priming button that initiates the siphon, making it simple to get started. It is a high-quality canister filter suitable for Axolotl aquariums. It is also user-friendly for beginners.

Guide for Buying

– Flow Rate

Axolotls are pretty sensitive creatures, even to water flow. So, you should always make sure that your filter’s flow rate is not too much for the fish as that might stress your axolotls, which can lead to their death. So, you should always make your calculations beforehand.

– Biomedia Capacity

Axolotls are also highly sensitive to contaminated water since they take water into their mouths to drink, which means that any pollutants in the water will go right into their digestive tract, potentially causing difficulties later on. That is why axolotls need media in their tanks which can include enough helpful bacteria that can digest waste to maintain the water clean and filtered enough for the health of your axolotl.

Nonetheless, ensure that your filter has enough space to hold a sufficient amount of media. Filters with numerous media baskets are unquestionably the way to go about it, especially since different media can be used for different filtration procedures.

– Added Features

Many filters available on the market for Axolotls also come with added features that can make tank cleaning much easier. These features range from convenience addition such as easy installation mounts to cleaning boosts like UV sterilization lights.

The four best filters for axolotls tankThereby, when looking for a filter for your axolotl, try finding one with features that you can use. For example, if you have difficulty keeping your tank water clean, a filter with a UV sterilizer would be a suitable option. That being said, these features can also increase the price of filters so excessive options should be avoided if you are on a tight budget.


A water filter for axolotl is unquestionably the most important aspect of an axolotl’s well-being, and reading this article should have helped you choose the ideal solution for your aquarium. However, if you are still confused and want our recommendation, we suggest going for the Penn-Plax Cascade CCF5UL Canister Filter for the proper treatment of your axolotl tank.

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