Designed specifically for the Fluval FX4, FX5 and FX6 high performance canister filters, Bio-Foam+ pulls double duty as both an effective mechanical and biological media.
Key Features:
- Mechanical/Biological filter media
- Large porous surface area supports expansive beneficial (nitrifying) bacteria growth
- Effectively captures small particles and debris, particularly those that are not retained by the first stage of foam filtration
- Custom fit for FX Series filters to increase filtration efficiency
- Helps create a healthy aquarium and ideal water conditions
- Rinse every 3 months
- Replace every 6 months
- Convenient 2-pack format
- For use in freshwater and saltwater
