Fluval CO2 20 Diffuser
The Fluval CO2 20 Diffuser is ideal for use in planted nano aquariums, including Fluval’s Flora Aquatic Plant Kit. This clear, acrylic diffuser allows accurate viewing of CO2 storage and distribution and is easy to disassemble for cleaning.
Key Features
- Ideal CO2 diffuser for nano aquariums, including Fluval’s Flora Aquatic Plant Kit
- Clear, acrylic diffuser allows accurate viewing of CO2 storage and distribution
- Easy to disassemble for cleaning
- Can also be used with all pressurized CO2 systems for aquariums
| Feature | Description |
|---|---|
| Material | Acrylic |
| Compatibility | Nano aquariums, Fluval Flora Aquatic Plant Kit, pressurized CO2 systems |
| Design | Clear, transparent body for visibility of CO2 flow |
| Maintenance | Easy to disassemble and clean |
FAQ
Can this diffuser be used with non-Fluval planted kits?
Yes, it is compatible with all pressurized CO2 systems and can be used with various planted aquarium setups.
Is the diffuser easy to clean?
Yes, the diffuser is designed to be easily disassembled for cleaning, allowing users to maintain optimal performance.
Does it work with all types of CO2 systems?
Please contact customer service for compatibility details with specific CO2 systems.

Adrian Thomson –
I’ve used this diffuser in my nano tank with the Flora plant kit. The clear acrylic lets me see the CO2 flow clearly, which helps me monitor system performance. It’s easy to take apart and clean every few weeks. Works well with my pressurized CO2 system.
Paul Robertson –
Good quality and fits perfectly with my small planted tank. The visibility of CO2 levels is a big plus. I didn’t have any issues with clogging or leaks after several weeks of use.
Nicola Dowd –
The diffuser is simple to install and maintain. I appreciate the transparency—it helps me adjust CO2 levels without guessing. Works smoothly with my existing setup.