*Special order item. Shipping will take 2 - 3 weeks longer.
The Fluval Bio-Foam+ is expertly crafted for the high - performance Fluval FX4, FX5, and FX6 canister filters. It serves a dual purpose as an outstanding mechanical and biological filter medium.
Key Features:
- Functions as both mechanical and biological filter media
- Its large, porous surface encourages extensive growth of beneficial nitrifying bacteria
- Efficiently traps tiny particles and debris, especially those that pass through the first foam filtration stage
- Specifically designed to fit the FX Series filters, boosting filtration efficiency
- Aids in creating a healthy aquarium environment and ideal water conditions
- Should be rinsed every 3 months
- Needs to be replaced every 6 months
- Comes in a convenient 2 - pack
- Can be used in both freshwater and saltwater aquariums

This Fluval Bio - Foam+ is for use in the Fluval FX4, FX5, and FX6 canister filters. It's suitable for both freshwater and saltwater aquariums. First, just install it in your filter as per the filter's instructions. It's a great helper for keeping your aquarium clean and the water in good condition. To keep it working well, rinse the bio - foam every 3 months. And every 6 months, you should replace it with a new one. Remember, this is a special order item, so it'll take 2 - 3 weeks longer to ship.