Fluval Filter Media BIOMAX Ceramic Bio Rings 500g Betta Fish Tanks Simply add the balls into

Simply add the balls into you biological chamber

LED lights (choice of either blue or white)

Biological and mechanical filtration for efficient removal of dissolved and solid waste

Includes a digital control panel with LCD display

Fluval Filter Media BIOMAX Ceramic Bio Rings 500g Betta Fish Tanks Simply add the balls intoFluval Filter Media BIOMAX Ceramic Bio Rings 500g 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 nitrite. For freshwater and marine environments.