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The 9 Best Filters For Axolotl Tanks

If you've recently acquired an axolotl or are considering about acquiring one, you're surely aware that one of the most important steps in preparing your house for one of these salamanders is preparing its tank.

One of the most crucial things you should do is get a filter for your axolotl's tank to keep the tank water clean. The type of filter you purchase is determined by a variety of criteria, including the size of your tank, the filtering speed, and even your expertise and comfort level with particular types of filters.

We will explore the pros and downsides of each type of filter in BestForPets' (bestforpets.org) evaluations to help you determine the best filters for axolotl tanks and for your needs.


Canister Filter Cascade

Because of its adaptability, the Penn-Plax Cascade Canister Filter is our top option for Axolotl tank filters. We’ve shown you the Cascade 1000, but there are four additional types available that operate with a range of tanks.

This type is designed for tanks up to 100 gallons in size, however Penn-Plax also offers filters for tanks up to 200 gallons in size. Another fantastic feature of this filter is the spray bar, which is great for encouraging water circulation and oxygenating the water of your axolotl.

Overall, buyers believe that this filter is simple to clean and use, making it an excellent choice for those who have never owned an aquarium or used a filter.


  • The filter is really silent.
  • The spray bar is included.
  • Ideal for bigger tanks.
  • Overall best filter


  • A significant volume of water is bypassed.


Fish Tank Filter AquaClear

This filter is far less expensive than the other solutions on this list, but it is no less effective. This is a hang on back (HOB) filter, which means that it hangs on the back of the aquarium.

This sort of filter has a few advantages: for starters, it is simple to operate and requires less maintenance than other types of filters. Second, it is frequently less expensive than other types of filters.

Although this HOB filter may not work as well as a canister filter, the Aquaclear Fish Tank Filter performs admirably for the price. If you are still concerned about the filter’s functionality, the assured lifetime warranty should set your mind at ease.


  • Flow rate can be adjusted
  • Simple to clean
  • The best filter for the money
  • Lifetime guarantee
  • Excellent for beginners.


  • Can be rather loud


Magniflow Canister Filter by Marineland

If money is no object, consider investing in the Marineland Magniflow Canister Filter. This filter is available in three sizes to fit tanks ranging in size from 30 to 100 gallons. This filter is quite quiet, so it will not annoy you while it operates.

The Marineland Magniflow Canister Filter also has not three, but four stages of filtration, ensuring that your Axolotl’s water is as pure as possible.

The Marineland Magniflow Canister Filter, like some other canister filters, comes with a lot of different pieces, which might make installation a little tricky.


  • Filtration occurs in four steps.
  • Extremely quiet


  • Leaks have been reported by several consumers.
  • Tanks bigger than 100 gallons are not eligible.


Canister Filter Fluval 07 Series Performance

The Fluval 07 series has a new design that makes the filter quieter and more energy-efficient than earlier models. Fluval claims that the 107 model consumes only 10 watts of power, which is roughly comparable to one LED light bulb.

Customers say the canister is so silent that they don’t even notice it’s on. One disadvantage of this canister filter is that it does not include a spray bar.

Although this filter is already expensive, we recommend getting the spray bar as well if you choose to purchase one of these filters.


  • Efficient use of energy
  • Simple to clean


  • Spray bar is available separately.


External Aquarium Filter Polar Aurora 3-Stage

The Polar Aurora External Aquarium Canister is available in four sizes. The biggest model can hold tanks up to 200 gallons in size. It is more comprehensive than other filters in that it has both a spray bar and filter material.

It also has an easy-to-use self-priming pump that can be activated by pushing a button. Customers report that this filter is rather difficult to assemble, but as long as you do it right, it should operate flawlessly; this filter has been tried and tested by many aquarium owners who approve of its quality.


  • Ideal for bigger tanks.
  • Extremely quiet


  • The many pieces make assembly challenging.


External Canister Filter SunSun

Another excellent option for bigger tanks up to 150 gallons is the SunSun HW-404B filter. With four stages of filtration, this filter can keep the water in your axolotl as pure and clean as possible.

Because of its huge media baskets, you have a lot of options for what sort of material you want to put to the filter. This filter comes with a UV sterilizer that may eliminate bacteria that are dangerous to your axolotl in addition to its four-stage filtration technology.

You may not want to purchase this filter if you are fresh new to keeping an aquarium, as the directions for setting up this filter are not particularly clear.


  • Ideal for big tanks
  • Filtration occurs in four steps.
  • The spray bar is provided.
  • UV sterilization


  • The instructions are not very clear.


Given its versatility and ease of use, the Penn-Plax Cascade Canister Filter stands out as one of the best solutions available. The Aquaclear Fish Tank was our value pick since it is less than half the price of the other filters on our list while still providing excellent performance.

As you can see from our evaluations, there are many wonderful alternatives available if you are searching for an axolotl tank filter; BestForPets (bestforpets.org) hope you learned something about axolotl tanks and filters and were able to find the best filters for axolotl tanks that works for you.

Buyer's Guide

Minimum Tank Volume

The tank you buy for your axolotl should hold at least 15 gallons. Although the axolotl only grows to be around 9-12 inches long, they create a lot of waste and require a tank with a lot of floor area.

These salamanders are also infamous for leaping out of their tanks, so ensure sure the lid is securely fastened.

If you wish to keep more than one axolotl, you should get a much larger tank. A 55-gallon tank is required for two axolotls.

Tank Components

Another factor to consider while shopping for an axolotl tank is the tank’s durability. You should look for glass tanks that are at least a quarter-inch thick to ensure that they can handle the tank’s water pressure and avoid cracks from occurring. This is especially critical if you are purchasing a bigger tank.

Tank Configuration

In addition to the tank, you will need to consider filters, lighting, plants and other décor, and chillers.

In certain circumstances, purchasing a tank kit that includes all of these supplies may be more convenient. You won’t have to worry about getting the correct accessories for your tank this way.

Considerations When Buying a Filter

After you’ve purchased your tank, you’ll need to buy a filter for it. As previously said, axolotls make a lot of trash, therefore getting a filter is a good idea. Otherwise, you will need to replace the water often to keep your axolotl healthy.

The majority of the filters on this list are canister filters because, while they are more difficult to maintain than other types of filters, they are also one of the most efficient. They typically have spray bars, which aid with the oxygenation of your axolotl’s tank.

Make certain that the filtering rate stays modest. Your axolotl may become stressed if the current is too powerful. When selecting a filter, consider its filtering rate in GPH (gallons per hour).

In general, you should get a filter with a GPH that is about four times the capacity of your tank. If the volume of your tank is 30 gallons, for example, you should seek for a filter with a GPH of 120.

Author Image

Dr. Deborah Fletcher

Deborah R. Fletcher, DVM, is a skilled veterinarian with more than 15 years of experience dealing with companion and exotic animals. She has experience caring for a variety of animals, including household cats and dogs, reptiles, birds of prey, and even primates. Dr. Fletcher is a valuable part of the BestForPets team, where she contributes to their aim of providing pets and their owners with the finest possible treatment and services.

Veterinarian (DVM) Dr. Deborah Fletcher


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