Air Filter XXL

Effective biological sponge filter for big aquariums and breeding tanks (50-300 litres).

• Mechanical filtration; suspended dirt is filtered out of the water by the sponge
• Biological filtration; useful bacteria attach to the sponge converting harmful ammonia (NH3) into nitrite (NO2) and nitrate (NO3)
• The sponge acts as a grazing meadow for shrimp
• Safe for shrimp, Medaka and newborn fry, as they cannot be sucked into the filter
• Equipped with an air stone which provides extra oxygen and enhances the airlift effect
• Easy to connect to an air pump(Recommended: SuperFish Air-Flow 1 (100 l/h))

An air pump is required and we recommend the SuperFish Air-Flow 1 with an output of 100 l/h. Always place the air pump above the water level or use a non-return valve to prevent the water from entering the air pump.
Let the sponge soak in aquarium water for five minutes before switching on the air pump. Squeeze the sponge a few times underwater to remove any trapped air bubbles. This prevents the filter from floating.