Fluval FX6 Canister Filter: External Canister Filter Review of 2023

Fluval FX6 Canister Filter has received quite a feedback from the user in recent times. Let’s check out whether it deserves such appreciation or not in our unbiased review!

The objective of the filter in your aquarium is to pull out surplus food, and various other impurities.

What if the aquarium is large? In that case, many filters do not perform well.

There, is a need to buy such filter that can fit into such large aquarium and give the desired results. Fluval FX6 Canister Filter by Fluval turns out to be the choice of such large aquarium.

Let’s look at the product review on Fluval FX6 Canister Filter with its pros, and cons and other detail of the product.


Fluval FX6 Canister Filter Review

The Fluval FX6 Canister is a great filter, and if your house aquarium is anything is like mine, then you will love the blend of power and technology at the same time.

Fluval FX6 is the redesigned and re-engineered version of  Fluval FX5, launched in 2018. Designed for aquarium up to 1500L. FX6 is a high-capacity workhorse of the Fluval lineup. It has all the power and reliability one finds in a high-end filter.

Fluval FX6 Canister Filter Review


Let’s look at some of the features of the product.

Before going into subtle detail, these are the few features that this monster has to offer:

Self Starting Canister Filter: Just add water to the filter. Leave rest to the filter, it will take care of everything. No more drain water, no more push button.

Seamless Water Changes: The FX6 comes with utility valve which was absent in FX5, the valve is at the base of the unit which can be used to empty the unit and complete your water changes by draining and refilling right from the valve.

Smart Pump Technology: Swift Pump Technology ensures that the pump would stop every 12hr, which allows any in the captive air to escape the canister and restarts it, thus maintains best filtration efficiency.

In this review, we will look at some of the key features that make this filter one of the top performer in their domain.

The Best Features of Fluval FX6 Canister Filter

FX6 as mentioned is the better version of FX5. Here are some of the features:

High capacity canister filter

The Fluval FX6 Canister Filter strongly holds its ground as an ultimate canister filter. Moreover, high-end performance can be expected from such filter.

It delivers more than the user can expect. It’s easy to use for large tank/aquariums because of the capacity and quality.

Therefore, it can be used for aquarium up to 400-gallon capacity, it does not matter the number of tanks you need to filter, Fluval filter can handle 924-gallons of water.

One might be wondering, a filter with such high-end functionality will be hard to move from one place to another. To your surprise, this Fluval FX6 Canister Filter is only 21 inches in height and can fit under any aquarium.

Multi-directional output

The manufacturers have introduced 2 multi-directional output valves which can distribute the filtered water in all the directions. Moreover, the nozzles can be set manually to create customized water flow. And can be used in various modes.

System Monitoring

To make sure that the Fluval FX6 Canister Filter works smoothly, the manufacturers installed system monitoring chip. This chip keeps an eye on the working conditions. This continuous monitoring helps the system to take care of the parts. Thus ensuring the maximum output.

Sometimes, the parts stop working, for instance, the motor will stop working due to excessive load. In that case, the user will get to know and can take necessary steps.

Aqua stop valves

Feature Click-Fit technology for fast set-up and waterproof maintenance. Valves rotate and are at the 45-degree angle for easy positioning.

If the user wishes to do maintenance of the canister, the aqua stop valves make the work easy for you.

These valves enable the user to stop the water flow. A hose is attached to the valve. For maintenance of the Fluval FX6 Canister Filter, remove the hose and clean out the valves.

Once the maintenance of the filter is over, the user can simply turn the valve lever to the original position.

Reduced noise of operation

You might think a canister with such power and capacity will produce noise and vibrations. This is not the case with FX6.

Despite such power, the canister works quietly. The precise engineering of the motor makes sure to keep the room quiet.  Moreover, the user will not feel any vibrations. FX6 motors reduce the noise and vibrations to a minimal level.

Self-priming start system

The model comes with a self-priming start system which will make life easier for the user.  The system automatically fills the filter with water before the filtration process can start. Many filters do not come with such system, which makes it hard for the user to filter water manually.

Effective Pump Technology

Fluval Efficient Pump Technology is the most noteworthy feature of providing flawless filter performance. FX6 Pump contains an electronic Circuit board to constantly monitor the pump as a result power is steadily measured to certify vigorous output and energy efficiency.

It also manages the FX6 self-starting feature and evicts air that might have entered or build up within the filtration system. The pump will halt at every 12hr, to escape excessive trapped air.

  • Fluval FX6 is a multi-stage filter which can filter freshwater as well as salt water up to 1500L.
  • It brings back the smart pump technology, which as a result stops the water every 12 hr.
  • Aqua valves are present, due to which the filter maintenance is easy.
  • Everything from the body to the parts is well-built and super durable.
  • One of the main features of FX6 is its high-end motor which is very quiet.
  • Clog-free stainer removes the debris from getting into the filter.
  • The intake tube is telescopic, which makes it easy to adjust the length of the tank.
  • Finally, you will get maintenance reminder from the system.
  • The price is relatively high.

Our Verdict

In conclusion, if you are looking for a high-end filter with all the functionalities then go for Fluval FX6 Canister Filter.

It is well worth the money. Although, the cost of the canister filter is higher as it provides us with such rich filter.

It is, for sure, the best to use and has proven to stand well on expectations of the users. If the product fits in your budget then FX6 is the way to go.


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