Fluval External Filter Review

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Quick Overview


  • Many improvements over the Fluval 405
  • 3-year warranty
  • 4 media baskets included
  • Very silent operation
  • Out of sight, so it doesn’t ruin the beauty of the aquarium


  • Does not come with a spray bar

For people who own large aquariums, external filters are an ideal solution for proper maintenance. It is used to clean water and remove dirt and debris that are harmful to fish. Over the years, canister filters have grown in popularity, and many people are now using them.

The fact is that canister filters usually come with great mechanical, chemical, and biological filtration capabilities, and don’t cost too much.

Another good thing is that these filters can be used for various types of tanks. In this article, we have reviewed one of the best, the Fluval External Canister Filter.


Fluval External Filter: In-Depth Review

This is one of the best external canister filters in terms of price and quality that it provides. It costs a little bit more than similar filters but offers incomparably better quality.

Also, according to many satisfied owners of this filter, we can conclude that it’s really worth the price. Although it might take up to 2 days to completely clean a big aquarium, you will see the first results in no time.

Who is this product for?

This product is for everyone who owns an aquarium, whether it is large or smaller. Although it is ideal for aquariums of up to 100 gallons of water capacity, it can also be used for the smaller ones with no problems.

However, if you don’t have a big budget to invest in this canister filter, you might be interested in a cheaper alternative.

What’s included?

Basically, all the items you need to assemble the filter are included. However, since there are many small things that come in the package, you should make sure that you have received all the parts.

If something is missing, you should immediately contact the company, since they state that they will send any missing parts.

When you buy this canister filter, you will receive the Fluval filter media, AquaStop valve assembly, instructions and quick-start manual, needed rubber connectors, output nozzle, intake strainer, intake tube, 2 rim connectors, and a ribbed hosing.

However, note that it doesn’t include a spray bar. Again, if anything mentioned is missing, contact Fluval company immediately.

Overview of features

This canister filter is a little bit pricey, but it comes with a few great and beneficial features. At first, it has a multi-stage filtration in order to achieve fresh and healthy water in the aquarium.

Also, it is suitable for aquariums of up to 100 gallons of capacity and has a flow rate of 1,450 LPH.

It also has a specific internal design to maintain quiet operation, so it is ideal for any room, including the bedroom. It also has a unique square-shaped design, which allows for 40 to 50 percent more water than the classic, round-shaped canister filters of a similar size.

Besides, it also allows better water flow through the system, which maximizes water contact with the filtration media.

Another handy thing is that this canister filter is built with an AquaStop valve and a few filtration brackets, and has a media capacity of 8.5 liters. Note that it also has a clog-proof intake strainer and dual-layer foam.

You also don’t have to worry if the canister filter suddenly stops working, because Fluval offers a 3-year warranty on this product.

How to set it up

Setting up this canister is fairly simple and easy, even if you have never used one before. In case you run into any problems, the package comes with a detailed, yet simple user manual.

There is no special tutorial on how to set up the filter since everything is pretty logical and straightforward, and you just need to connect a few parts together.

The only thing that you should note is that the canister should be above the water tank for the ideal usage.


Marinelands Canister Filter

Maybe you don’t like this canister filter. Or perhaps it is to be too expensive for you. In either of these cases, there are some excellent alternatives that you should consider, and one of the best is the Marineland canister filter.

It is cheaper than the product we reviewed above and also provides a superior quality that is built to last.


This canister filter is a little bit pricey compared to similar models. However, it offers a great quality compared to its price.

Note that buying a canister filter can be a significant investment since, if used properly, it might last up to 10 years and work without any problems.

If you are an aquarium owner, you should consider this great external canister filter to keep your fishy friends happy and safe.

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