/////FX6 High Performance Canister Filter, up to 400 US Gal (1500 L)

FX6 High Performance Canister Filter, up to 400 US Gal (1500 L)

SKU: A219 | UPC: 015561102193
Format: 15.75 L x 20.8 H" (40 L x 53 H cm)
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Designed for aquariums up to 400 gallons, FX6 is the high-capacity workhorse of Fluval’s canister lineup, enhanced with all the power and reliability you’ve come to expect from a high-performance filter.

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  • Multi-stage filter pumps out an astounding 925 gallons (3500 L) of water per hour
  • Improved motor technology provides better performance while consuming 10% less electricity than previous generation
  • Smart Pump™ – advanced microchip technology continuously monitors and optimizes pump performance
  • Self-starting – just add water, plug in and Smart Pump™ will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
  • Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump™ does the rest
  • Removable, stackable media baskets eliminate water bypass and hold a total of 1.5 gallons (5.9 L) of media
  • All filter media included – mechanical, chemical and biological
  • Aqua-Stop valves with leak-proof Click-Fit attachment system
  • Valves positioned at convenient 45-degree angle for easy installation and rotation
  • Anti-clog, telescopic strainer ensures continuous water flow
  • Multi-Directional Output nozzles can be fully adjusted to create customized water flows
  • Purge Valve with drain hose for easy maintenance and flushing of canister
  • Rubberized feet help ensure quiet operation
  • 21″ tall design – easily fits under most aquariums
  • Made in Italy
  • For use in freshwater and saltwater aquariums
MODEL
Item #
FX4
A214
FX6
A219
UPC015561102148015561102193
Aquarium Capacity250 US Gal
(1,000 L)
400 US Gal
(1,500 L)
Pump Output700 US Gal/h
(2,650 L/h)
925 US Gal/h
(3,500 l/h)
Mechanical Area
(foam)
217 in2
(1,400 cm2)
325.5 in2
(2,100 cm2)
Biological Volume1 US Gal
(3.91 L)
1.5 US Gal
(5.9 L)
Filtration Volume3.7 US Gal
(14 L)
5.28 US Gal
(20 L)
Filter Circulation450 US Gal/h
(1,700 L/h)
563 US Gal/h
(2,130 L/h)
Head height
(max.)
6.9ft
(2.1 m)
10.8ft
(3.3 m)
Wattage
(120V/60Hz)
30 W43 W
Wattage
(230-240V/50Hz)
30 W41 W
Dimensions
(L x W x H)
15.75 x 15.75 x 16.5"
(40 x 40 x 42 cm)
15.75 x 15.75 x 20.8"
(40 x 40 x 53 cm)
  • Rubber hosing
  • Rim Connectors, clips and suction cups
  • Inake stem
  • Output nozzle
  • Lid fasteners
  • Filter canister
  • Utility valve and hosing
  • Drain cap
  • Pump unit (motor) and power cord
  • Rubbert feet
  • Media baskets
  • 1/2 media baskets
  • Filter lid and other accessories

3 YEAR LIMITED WARRANTY

The Fluval FX6 Canister Filter is guaranteed against defects in material and workmanship under normal aquarium usage and service for 3 years from date of purchase. Non-replaceable and non-serviceable parts will be repaired or replaced at Hagen’s discretion, free of charge, when the complete filter is returned with all components along with a valid proof of purchase and postage paid. This warranty does not apply to any filter that has been subject to misuse, negligence or tampering. It does not apply to filters which have been incorrectly assembled or unsuitably maintained or where installation and maintenance instructions have not been followed correctly. The warranty does not apply to wear and tear parts such as the impeller, impeller cover or motor seal. No liability is assumed with respect to loss or damage to livestock or personal property irrespective of the cause thereof. Before returning the filter under warranty terms, please ensure that all setup and maintenance instructions have been followed. If you are in doubt, please contact your local aquatic specialist retailer for further advice before returning the product.

INSTRUCTION MANUAL

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FX SERIES2019-03-25T05:47:10+00:00

FX SERIES

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Can I connect an inline heater model to my filter?

No. Fluval canister filters use ribbed flexible hosing, which is not ideal for installing such equipment.

Why do I have difficulty restarting my canister filter after cleaning it?

First, check your impeller and impeller shaft as it’s possible either of these are damaged and need to be replaced, or are very dirty and require cleaning. It’s also possible the impeller cover has not been reattached correctly. Finally, verify that the filter has been properly primed: always ensure that the filter output is above the water surface when priming.

I noticed decreased performance and increased maintenance frequency on my canister filter. Am I doing something wrong?

This usually indicates an increased load on your filter due to either the growth of your fish, the recent introduction of additional fish, increased waste production (i.e. leftover food, excrement, etc.), or clogged filter media in need of replacement.

I have a marine tank and noticed bursts of air coming out of my filter output. Should I be concerned?

Air input into your system is most likely coming from the skimmer. Fine air bubbles are gathering in the canister filter and are being ejected in bursts. Consider adding a bubble trap for your skimmer.

I replaced the impeller of my canister filter and noticed a small leak coming from the handle when shutting down. What should I do?

The leak is most likely from the canister O-ring. Before you purchase a replacement, remove and clean it with warm water. Thoroughly wipe the receiving groove in the filter with a soft cloth. Apply Fluval lubricant (#A325) to the o-ring.

How does head height affect filter output performance?

This is a closed recirculation filter system, therefore, head height has no real impact on performance. Length of tubing and filter media are key factors affecting filter output performance. We recommend never exceeding the specified vertical distance in your instruction manual as this will cause the filter to exceed the maximum head pressure value, which could cause the filter to leak and fail.

I change the carbon in my filter every couple of weeks. Is this too often?

No. It’s better (and easier) to prevent odors versus having to remove them once they’ve accumulated. Some fish are messy eaters, or are more prone to producing large amounts of waste, so prevention is key.

Do you have any tips for fixing common filtration issues?

Aquatic expert Tom Sarac discusses the 6 most common filter problems, while providing helpful troubleshooting tips to resolve them.

I found a fish stuck to the intake of my filter. Is the flow too strong?

You don’t need to be concerned about the filter being too powerful for use with healthy fish, many of whom swim in natural habitats with stronger currents. Take note you can adjust the filter output strength to suit your particular fish species.

I just purchased a Fluval canister filter for my well-stocked tank. Is there additional media required (other than what came with the filter)?

Yes, Fluval Total Clear will crystallize the water and rapidly remove organics, providing better overall water quality. Also consider adding a coarse pre-filter media at the bottom of the filter to support improved long-term performance.

What’s the best combination of media if I’m keeping very messy fish?

For aquariums with species that are strong feeders and fairly messy in nature (i.e. digging habits), we recommend using Fluval Fine-Filter pad and chemical media (i.e. carbon) at the bottom level, Fluval Bio-Max in the middle and Fluval Pre-filter rings at the top level.

What motor maintenance should I perform regularly to ensure the longevity of my filter?

Learn how to properly maintain your FX canister filter motor from Fluval’s head aquatic expert.

What general maintenance tips do you have for this filtration series?

Learn valuable tips from our head aquatic expert on how to maintain and take care of your Fluval FX canister filter.

Why is the motor of my canister filter making a low, rumbling noise?

Noise originating from the motor suggests that the impeller assembly needs to be replaced.  As the only moving part in your filter, the impeller does eventually wear and is, therefore, not covered under warranty. Equally important is verifying that the filter has been properly primed (always ensure filter output is above water surface when priming).

How do I know when it’s time to change my filter media?

Aquatic expert Tom Sarac provides guidelines on knowing when to switch out the most common Fluval media for your aquarium filter.

Why is my canister filter emitting bursts of fine air bubbles on my aquarium?

FRESHWATER: It’s important to perform regular filter maintenance (media rinsing and replacement) to prevent media from compacting, which can result in air accumulation. Also make sure to verify the inlet rubber hose connector that attaches to the siphon tube, which does dry out over time and becomes hard and non-flexible, thus requiring periodic replacement.

SALTWATER: This is probably due to your filter taking in the fine air bubbles introduced to the aquarium by protein skimmers. Make sure to use an effective bubble trap at the skimmer output or within the sump to prevent this from happening.

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