Fluval Biomax Rings provides an optimal environment for the colonization and growth of beneficial bacteria. The unique bio rings have a complex pore system that provides an optimal environment where beneficial bacteria can thrive.

Beneficial bacteria break down the ammonia and nitrite in the aquarium, thereby reducing the amount of toxins in the water.

Fluval BIOMAX also reduces and controls ammonia and nitrate.

For freshwater and marine environments.

For Fluval U Series Underwater Filter models U2, U3, U4