Fluval Bio-FX 5L Aquarium Filter
The Fluval Bio-FX 5L is a compact, efficient aquarium filter designed for small to medium-sized freshwater tanks. It provides reliable mechanical, biological, and chemical filtration to maintain clean and healthy water conditions.
Key Features
- 5-liter filtration capacity suitable for tanks up to 10 gallons
- Integrated sponge media for biological filtration
- High-efficiency cartridge for mechanical filtration
- Easy-to-clean design with removable filter components
- Quiet operation with low noise levels
Specifications
| Parameter | Value |
|---|---|
| Filtration Capacity | 5 liters per hour |
| Filter Type | Hybrid (mechanical, biological, chemical) |
| Power Supply | AC 110-240V, 50/60Hz |
| Dimensions | 18.5 x 10.5 x 15.5 cm |
| Weight | 1.2 kg |
FAQ
Can the Fluval Bio-FX 5L be used in a tank with live plants?
Yes, the Fluval Bio-FX 5L is suitable for tanks with live plants due to its balanced filtration and gentle water flow.
How often should the filter media be cleaned?
The sponge media should be rinsed every 2-4 weeks, and the cartridge should be cleaned every 4-6 weeks depending on tank conditions.
Is the filter compatible with all types of aquariums?
The Fluval Bio-FX 5L is designed for freshwater aquariums only and is not compatible with saltwater or reef systems.

Sam Underwood –
The filter works well in my 10-gallon tank. Water clarity improved quickly and the noise level is very low. Easy to maintain and fits perfectly in the tank setup.
Jasmine Dickens –
Good filtration for a small tank. The sponge stays clean and the flow is steady. I had to clean it once a month, which is manageable.
Joan Hughes –
I’ve used this filter for over six months and it’s still performing well. The biological filtration helps keep my fish healthy and the water stays clear.
Sonia Greene –
It works, but the cartridge gets clogged faster than expected. I had to replace it after three months. Otherwise, it’s a decent option for small tanks.