Fluval FX6 Canister Filter Review

Fluval FX6 Canister Filter Review

Review of Fluval FX6 Canister Filter: External Canister Filter

4.5 Stars
4.5 Stars
Ease of Use:
4 Stars
4 Stars
One look at the Fluval FX6 and you can tell that it’s made to last a long while.This product is hyped for its tantalizing set of features.While it’s engineered to be easy to operate, its heft and size can be a bit of a challenge.It’s quite pricey but with its capacity and performance, it can be worth the splurge.
  • Massive capacity
  • Sturdy construction
  • No priming required
  • Filter media included
  • Suitable for both salt and freshwater aquariums
  • Customizable water flow
  • Reliable performance
  • Quite heavy
  • Rather pricey

Hailed as one of the best large tank filters, the Fluval FX6 is also a heavily hyped pick among hobbyists and serious aquarists. Its massive size alongside its impressive set of features definitely got the attention of many but is it everything people claim it to be? In this review, we’ll help you determine whether this product is worth its salt.

Big tanks are lavish addition to any space and will create great homes for a lot of aquatic pets. However, they also have major requirements to keep them in top shape, so choosing a filter for them should be done with great care. You can’t settle for anything less than the best if you don’t want to compromise the living environment of your most cherished creatures.

For massive aquariums, the Fluval FX6 is a popular choice. This gargantuan external canister filter boasts not just of a tremendous capacity but also of impressive features that explain its rather hefty price tag. It may look intimidating but it’s actually very easy to work with, simplifying the maintenance of a huge tank.

Who Should Get the Fluval FX6 Canister Filter

Anyone who wants to keep a gigantic aquarium should take a close and serious look at the Fluval FX6. Once you get to know this item, you’ll be able to tell that it’s engineered to make life simpler even with a huge fish tank. Its makers know how much work is involved in caring for a large aquarium, so it can certainly be a great choice if you’re starting to feel overwhelmed with the task at hand.

Unlike other high-capacity canister filters, however, the FX6 isn’t something you should get if you just want to go a bit overboard for your tank. With this product’s size and capacity, it’s only really meant for those with seriously large aquariums.

What’s in the Box

With the purchase of a Fluval FX6 unit, you’ll also get the following:

  • Media baskets
  • Rubber feet
  • Motor and power cord
  • Filter canister
  • Rubber hose
  • Rim connectors, suction cups, and clips
  • Lid fasteners
  • Intake stem
  • Utility valve and hosing
  • Output nozzles
  • Filter lid
  • Other accessories

Feature Overview

To help you get to know the Fluval FX6 better, here are its key features that will help you determine if it’s the right pick for you or not.

400-Gallon Capacity

It’s not hard to tell that the Fluval FX6 is for large tanks due to its 21” height. It will take up a lot of space which shouldn’t be an issue since you have a huge aquarium anyway. Just store it properly under your tank’s cabinet or you might just mistake it for a wet and dry vacuum cleaner. 

Smart Pump Technology

Using advanced microchip technology, this features work in two ways to ensure the easy use of the FX6. First is in how it monitors and optimizes the pump performance by keeping it consistent. 

The other is in how it allows the filter to self-start, freeing you from the hassle of priming it. With the help of this feature, you just need to fill the filter with water and it will prime itself with great ease. It’s also designed to auto-evacuate air inside the filter to ensure that it will maintain its top performance. 

Utility and Purge Valves

To help simplify your massive tank’s upkeep is the utility and purge valves located at the bottom of the canister to make changing waters and filter maintenance faster and simpler. You can just unplug the utility valve and drain the water inside the filter and aquarium then continue to feed it with fresh water using the canister. If you’re going to clean the filter, it also has a quick water release feature in the form of the purge valve. 

Monthly Indicator Dials

The FX6 is also equipped with a set of dials that you can use as a reminder when to change the water on your tank. It’s not much but it can still come in handy for many.

Adjustable, Multi-directional Output Nozzles

Making filtration customization a lot simpler is the FX6’s adjustable and multi-directional output nozzles. These will let you manually change up the direction of the water output which helps agitate the water effectively and break down suspended waste.

Aqua-Stop Valves

Another feature that promises painless maintenance is the Aqua-Stop valves that are used in this unit. With just a simple turn of a lever, it will already stop the water flow and prevent leakage. 

Removable, Stackable Media Baskets

Further simplifying the setup of the FX6 is its set of media baskets that you can easily take out and stack. With such a design, you’ll be able to easily customize and configure your filter for the optimal tank filtration.

How to Use the Fluval FX6 Canister Filter

For proper installation and setup of the Fluval FX6, watch this video for its step-by-step instructions:

Alternative Options

If you liked a lot about the Fluval FX6 but didn’t find it to be the perfect match for you, here are other products that might be a more suitable option for you:

Final Verdict

After looking closely at the Fluval FX6, it should be easier to see why this product is so popular among serious aquarists and hobbyists. It can definitely make maintaining a huge tank simpler, so it can really be the best addition to your set up if you’re planning on installing a gigantic aquarium. Its features and performance are also equally impressive that most folks consider it to be an investment instead of a lavish splurge.

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