Fluval FX6 High Performance Canister Filter
Designed for aquariums up to 1500 L (330 UK gallons), FX6 is the high-capacity workhorse of Fluval’s canister line-up, enhanced with all the power and reliability you’ve come to expect from a high-performance filter.
Features:
- Multi-stage filter pumps out 3500 L (771 gallons) of water per hour
- 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
| Specification | Value |
|---|---|
| Water Flow Rate | 3500 L/h (771 gallons/h) |
| Compatible Aquarium Size | Up to 1500 L (330 UK gallons) |
| Pump Technology | Smart Pump with microchip monitoring |
| Auto Air Evacuation | Every 12 hours |
| Self-Start Function | Yes |
FAQ
How does the Smart Pump improve filter performance?
The Smart Pump uses advanced microchip technology to continuously monitor water flow and adjust performance for optimal efficiency under varying conditions.
Does the FX6 require any maintenance for air trapping?
No, the system automatically evacuates trapped air every 12 hours to maintain consistent performance.
Can I use the FX6 with a small aquarium?
Yes, it is designed for aquariums up to 1500 L (330 UK gallons), so it can be used in smaller tanks as well.


Thomas Sharp –
The FX6 has been running smoothly for over six months. The self-starting feature is a game changer—no more manual starts. Water flow is strong and consistent, and the air evacuation keeps the filter running efficiently without clogs.
Thomas Bailey –
Great for a 1200L tank. The smart pump adjusts automatically and I haven’t had to clean or adjust anything. Easy to maintain and the water changes are hassle-free with the hose attachment.
Benjamin Howard –
High performance with minimal effort. The filter handles a large volume of water and maintains excellent water clarity. The auto-evacuation feature prevents air locks and keeps the system running smoothly.