Fluval 06 series (106/206/306/406) External Canister Filter Review

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Hagen Fluval Aquatics have been manufacturing aquatic products for almost 30 years now. With their quality products and the excellent customer service, they have earned the trust of millions of aqua hobbyists around the world. Fluval makes the great aquarium filters as a part of their product line and the Fluval 06 Filter range is one of the best out there.

The Fluval 06 filter range is the successor to the Fluval 05 range and it comes with a lot of enhancements and the same Fluval Trust. The Fluval 06 series offer increased filtration efficiency with relatively a quieter operation. And this is one of the best filters you would find in the Freshwater Filter Range.


During our tests, we found that just like other Fluval products, the Fluval 06 series filter is very sturdy, has a good build quality, for the external canister, the baskets and the tubes and hosing. Class fibers for the body make the filter durable and ensure that the filter has enough mechanical strength.


Setting Up

Setting up the Fluval 06 Series Filter is fairly simple and easy, you shouldn’t have a problem setting it up even if you are new to canister filters or a novice to the aquarium hobby. Also in case you do face any obstacles, the filter comes with a detailed instruction manual to guide through the installation process.

The filter comes loaded with different kind of media depending on the variant.

Filter ModelMedia BasketsStock Media
Fluval 106 External Filter21 x 70 g carbon
1 x 120 g BioMax
1 x polishing pad
Fluval 206 External Filter31 x 70 g carbon
1 x 120 g BioMax
1 x polishing pad
1 x Bio-Foam
Fluval 306 External Filter32 x 70 g carbon
2 x 120 g BioMax
2 x polishing pad
2 x Bio-Foam
Fluval 406 External Filter44 x 70 g carbon
2 x 120 g BioMax
2 x polishing pad
2 x Bio-Foam

Priming the Filter

If you previously owned a Canister Filter, priming a filter seems like a difficult task. But with the Fluval 06 series filter, priming is like child’s play. With a ‘Push Button Priming’, priming the filter requires hardly any effort

Filtration Efficiency

Vertical Twin Foam

Fluval 06 series filter does a spectacular job when it comes to cleaning the aquarium. While our Fluval 406 canister filter review, the filter was efficiently able to clean a 90 Gallon Planted Aquarium with the stock media and the results were phenomenal.

While the filter is running it is extremely quiet with a sound dampening impeller design you could hardly hear any sound. Not even a slightest hum if you filter.

Additionally, Fluval 06 series filters come with a vertical twin foam pre-filters which act as a pre-filter. In our experience, the foam pads have efficiently trapped the debris blocking them from entering the media basket. This prevented media from clogging, maintaining the flow rate until the end of the maintenance cycle.


Fluval 06 series filters come in four different variants with different sizes, varying the size of the aquarium it is suitable for. With a Fluval 106 suitable for up to 25 US Gallon tanks to Fluval 406 capable of filtering a 100 US Gallon Tank. With an advanced motor technology and enhanced filter design, you would experience the flow rate is maintained until the end of the maintenance cycle. Fluval 406 has a flow rate of 383 US GPH is which quite high among the filters in this range.

One of the best features of the filter is its power usage, the filter has the relatively low power consumption among the filter in the same price range.  This makes Fluval 06 series filter one of the power efficient filters you could own.

The following table shows specifications for Fluval 06 series filters:

Product NameFluval 106 SpecsFluval 206 SpecsFluval 306 SpecsFluval 406 Specs
Tank Capacity25 US Gal45 US Gal75 US Gal100 US Gal
Flow Rate145 GPH206 GPH303 GPH323 GPH
Buy Now Fluval 106 on Amazon Fluval 206 on Amazon Fluval 306 on Amazon Fluval 406 on Amazon

Cleaning and Maintenance

Fluval 06 Series Aquastop Valve
AquaStop Valve

As the Fluval 06 series filters come with baskets to hold the media, making cleaning and maintenance an easy task. Apart from that, this filter is designed keeping in consideration the ease of use, so as the efforts of the end users are reduced.

The AquaStop valves came in handy while our filter maintenance, stopping water thus preventing the mess by water. And with the easy locking heads and instant priming, we could restart the filter within no time after replacing the media.


AquaStop valve helps conveniently stopping the water flow without disconnecting the hoses. Just pull the lever and you are done reducing the water spillage and leakage.

Warranty and Customer Support

Fluval 06 Series filters come with a 3-year limited warranty and an excellent customer support from Fluval.

Notable Features

  • Strong Build and made from quality fiber
  • High flow rate and flow rate maintained until end of maintenance cycle
  • Quiet operations and Low power consumption
  • 3 years limited warranty


If you are looking for a filter with all the necessary features and not so frequent maintenance schedules, the Fluval 06 series filter is the one.  But if you are still confused with what to buy, check out our post on Best Canister Filters for Aquariums.


  • Mode of Operation
  • Maintenance
  • Filtration Efficiency
  • Features
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Bryan, a seasoned aquarium hobbyist, boasts over a decade of dedicated fishkeeping experience. His passion for aquatic life has cultivated a wealth of knowledge, making him a go-to expert in creating thriving and balanced underwater ecosystems. From vibrant fish communities to lush planted tanks, Bryan's journey is a testament to the rewarding art of aquarium care.

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