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
