* This product has been retired and will not be restocked once inventory runs out *

Fluval BIOMAX bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive. BIOMAX bio rings have more capacity than most biological filter media and allow ideal water movement throughout the media to ensure optimal contact time for efficient biological filtration. BIOMAX also reduces and controls ammonia and nitrate. For freshwater and marine environments.

For filter models: 106, 206, 306, 406, FX5, 105, 205, 305, 405, 104, 204, 304, 404.

THIS PRODUCT CANNOT BE SHIPPED OUTSIDE OF THE UNITED STATES. Due to distribution contracts Hagen has with its distributors around the world, we cannot ship their brands (AquaClear, Exo Terra, Fluval, Marina, and Nutrafin) outside of the United States. Our apologies for any inconvenience!