Fluval FX4/FX5/FX6 Bio-Foam+ 2 Pack Health & Conditioners Very stable

Very stable

Nitrax also reduces algae growth by anaerobically breaking down nitrate

Wattage: 230-240V/50Hz – 10 W

chemical and biological filtration

Fluval FX4/FX5/FX6 Bio-Foam+ 2 Pack Health & Conditioners Very stableDesigned 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