XY-2820 BIO SPONGE FILTER rock which allow the fish to

which allow the fish to feed from the entire water column

Create smooth substrate slopes and terraces

Ideal for interactive fun

toxic nitrite compound NO2

sera FD Artemia Shrimps Nature is the natural

XY-2820 BIO SPONGE FILTER rock which allow the fish toAquarium Sponge Filter Approx Sponge Size: W5cm x L6cm For Aquariums up to 40 Litre With an airlift system, super biochemical sponge filter features silent operation and has an excellent filtering effect while oxygenating the water. The developed foam materials supports the colonisation of bacteria, allowing for mechanical filtration in addition to biological filtration, which will break down harmful waste, ammonia and nitrate material resulting in a