High-performance aquarium biological filter media in a 500 ml container with 15 mm granules. Designed for canisters and sump systems, it promotes rapid bacterial growth to maintain water quality and clarity.

Multi stage pressurised filtration system Improved more durable foams remove dirt and debris Unique backwash cleaning system More efficient 11W UVC bulbs kill algae and eliminate green water Suitable for ponds up to 6000 litres