Updated February 2019

An aquarium filter is important for removing debris and keeping the tank clean.

The removal of byproducts such as fish waste will help to prevent the growth of bacteria which can harm your aquarium, the following link contains some of the best aquariums we have found online based on both online reviews and personal experience.

Canister filters are becoming increasingly popular with aquarium keepers around the world, they come with great mechanical, chemical and biological filtration ability.

Not only can these aquarium filters be used for saltwater fish, they can also be used for tropical fish, goldfish and whatever else you wish to keep.

Benefits of using a canister filter for you aquarium?

  1. The flow rate is superior. Canister filters are designed to be conducive to a high volume of water flow, the best canister filters can withhold 320 gallons of water flow per hour. This is more than enough to keep your aquatic environment squeaky clean.
  2. The media selection range is amazing. The canister filters come with a variety of different types of filtration media, you need to know how the different types of filtration media work before you decide to buy.
  3. Canister filters are very easy to set up. Modern packaging means there are always clear instructions on the packaging, you can even find youtube videos with great step-by-step instructions on installing a canister filter to your aquarium.
  4. Easy to clean. Canister filters can be taken apart easily, the internal components can be reached easier to clean.
  5. Quiet operating noise. You can rest assured, unlike some of the other filter types out there canister filters are well engineered to ensure neither humans nor fish will be disturbed by their quiet operation noise.
  6. Strong filtration ability. The bane of a filters existence is not neglected despite all the other great traits.

Penn Plax Cascade Canister Aquarium Filter

This aquarium filter does a fine job for your standard freshwater aquariums but also provides a great filtration method for saltwater varieties too. This canister filter can handle many different types of aquariums, from the smallest ones that fit on a desk to giant aquariums up to 400 gallons.

If you are only keeping a small fishtank is may be a slight overkill but if you are keeping a large, impressive fishtank then this is what you would want.

This product provides a very impressive 350 gph water flow when its being used. Make sure you keep it well maintained so it can continue to function efficiently and effectively.

This filter starts up very easily, by simply pressing a button, a 360 degree rotation will provide a better filtration of the tank. Having a large filter tank allows you to use the system for a long time before any replacements are required at all.

Benefits:

  • A very large, impressively sized product comes with this tank, meaning the filter can be used for an extended period of time before requiring replacement.
  • This filter is built with extremely strong materials which keep your aquarium looking pristine for a very long time, allowing your guests to fully enjoy the quality of your fish tank.,
  • This system is very easy to set up and the filtration process will start running very quickly.
  • This fishtank can be combined with several other forms of media, you can fit bio-sponges, bio-floss and activated carbon into the fish tank for a very wide range of filtration needsDisadvantages:
  • When in operation, this filter creates very loud chattering and grinding sounds. This is definitely a problem the manufacture needs to address. However, if this tank is placed in a very loud environment, such as the lobby of a busy venue then the noise may not be so much of a bother. If you want a quiet household with very little disruptions you may require a better setup for your tank.

2. Fluval external fish tank filter

This is another fishtank filter which provides a very suprerior filtration capacity. The fluval filter is ideal for aquariums of a wide variety of different sizes made by a range of manufactures, this aquarium fishtank, like the one previously mentioned, will also filter both freshwater and saltwater.

This filter contains a very powerful motor which greatly speeds up the filtration process. These various functionalities causes this product to be far superior than its competitors. By simply following the straightforward setup instructions, the product will be up to speed very easily.

If you’re concerned about noise, this product is for you. It works very quietly, with a visibly reduced amount of vibration than the other filters. This product provides a multi stage filtration process which guarantees an extremely high level of quality and efficiency for the cost of the product.

Benefits:

  • Instant start up option, you don’t need to manually siphon anything to get you start which saves you plenty of valuable time.
  • This product clamps very easily. This provides a large amount of security and you will have increased confident and comfort when viewing your aquatic masterpiece.
  • This system contains several unique & independent modules which provide an outlet for mess-free dirt removal from the filter.Disadvantages:
  • With great price comes great quality, this fishtank is undeniably pricier than many equivalents, if you are short on budget then another product will be better.

3. Marineland Magniflow canister

The Marineland Magniflow canister is another fishkeeper’s favourite. This canister has a lid design which is something which will create a very solid build for the canister, it also has a water tight seal for the best filtration experience. Its extremely important to prevent leaks from happening, especially when it comes to water filtration.

Ending up with leaks from the filter is the last thing anybody could ever want. This means you are losing potential nutrients in the water which can easily be circulated back into the aquarium.

Also, it is very important to polish the pad which is incorporated into the filter. The purpose of this pad is to remove the fine debris which may affect the filtered water’s quality. You should end up with cleaned water which can be used by the fish without any problems.

This model is designed to have bio-filter balls and ceramic rings. They are very important for providing a multifaceted surface area which is important for the propagation of bio spires. This means that your aquarium is able to have all the important filtration and replenishment of bio spires.

You’ll still get black diamond carbon installed inside the filter which is essential for removing odors, discolorization and other water impurities which will negatively affect the quality of life in your aquarium fish tank.

Benefits:

  • The operation is extremely easy. The filter is primed very simply. The price is only moderate. No leaks exist in the filter.
    Disadvantages:
  • Despite having a good functionality this filter is not built with sturdy materials. Although it is definitely strong enough to remain function, the thin materials used to save cost may reduce its lifespan.

4. Hydor Professional External Canister Filter

Don’t worry, “Hydor” is not a typo for “Hydro”, Hydor is a very big name in the aquarium world famous for its top notch construction quality. This dark colored design will easily contain any problems you encounter in keeping your aquarium clean, this filter is great for all purposes.

Once again I must emphasize the durability and high calibre of construction, you won’t even think for one second that this is made from anything other than the finest quality materials.

Setting up the Hydor filter should be extremely simple, it comes with a very detailed instruction manual so setting it up will be no problem whatsoever.

5. Fluval Fx6 Aquarium Canister Filter 

Fluval is another big name in the aquarium world. Its build quality is renown amongst aquarium hobbyists to be nothing than the best.

Despite having a small, compact size which is easier to store and put away, this Fluval filter doesn’t lack anything in terms of functionality, its a mini powerhouse capable of keeping your aquarium water squeaky clean and your fish will remain healthy with the Fluval aquarium filter.

This one is suitable for the larger tanks too, unlike many other weaker models, this one is able to handle a capacity of up to 400 gallons, which is huge.

The fluval aquarium filter also comes with many other great innovative features which add to its allure, such as a built in self priming start system that prepares the canister for the filtration process as soon as you plug in the power.

The intake strainer is made to prevent clogs, you won’t have to change it very often because it will last a long time.

This fluval aquraium filter also contains an aquastop model, this separates the housing from the filter very easily to prevent leaks and increase product lifespan.

6. Aquatop CF Series Canister Filter

Aquatop’s CF series of aquarium filters is undeniably one of their most famous. This comes with a very very unique feature akin to Clark Kent’s eyes – it comes with a UV beam designed to kill harmful bacteria by harnessing the power of light – providing maximum health and wellbeing to your fish and increasing viewing pleasure for your eyes.

Firstly lets talk about the construction. The filter is solid, the body is thick plastic and it sits sturdily where-ever you decide to place it. The UV sterilizer works like the terminator to annihilate any semblances of harmful bacteria which can harm your aquarium fish.

The flow rate on this filter is an incredible 360GPH (gallons per hour), rest assured that this filter will be incredible for the environment of your fish. Although the capacity only accomodates 165 gallons, you can be sure that every single one of those gallons will be 100% filtered.

7. SunSun Hw304B 525GPH Pro Canister Filter Kit

Don’t be fooled by this aquarium filter’s cheap price and cute name. The sun sun is a performance tailored model designed for serious hobbyists only. The Pro Canister filter will definitely provide a great filtration experience.

It works great, the main filter is built and designed very well to handle water flow allowing it to last a long time, saving you time and money.

The SunSun aquarium filter is designed with a convenient priming button. You only need to press the button once to fill the entire tank with water. After that, connect the aquarium filter to a power plug and it will start pumping water quickly. This priming feature gets rid of siphon priming, an unreliable function which wastes a lot of time.

The SunSun aquarium filter is designed with a convenient priming button. You only need to press the button once to fill the entire tank with water. After that, connect the aquarium filter to a power plug and it will start pumping water quickly. This priming feature gets rid of siphon priming, an unreliable function which wastes a lot of time.

The SunSun filter also comes with a built in 9W UV light which kills any algae cells and harmful bacteria. This kills all parasites and pathogenic bacteria which can harm your fish, the SunSun aquarium filter is sure to keep your aquarium nice and clean.

Choosing a canister filter for your aquarium.

1. durability. The only good aquarium filter is a working aquarium filter. Do not skimp on the price and buy the cheapest filter you can find at the flea market, not only will it break before being used (wasting your money), these filters do not offer warranty for repair, make sure you buy one that’s good quality so you don’t have to keep paying for more cheap ones which break in a single week.

2. functionality. All the aquarium filters recommended on fishcrown have been tried and tested by thousands of people around the world so supreme functionality is confirmed. You will not run into any problems while using these filters.

3. the motor. The motor of the aquarium filter is important for pumping water into the filter to begin the process. Its not hard to see that a great motor is required which can start the water filtration process for the aquarium filter.

4. Tank Size. Not all canister filters work for  every tank size. Make sure you read the amazon guide carefully and pick a filter which corresponds to the size of your aquarium tank. Make sure you measure the tank properly too! A lot of people go looking to buy an aquarium filter without measuring the proper size of their aquarium. Filter FAQs:

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