Filters are essential for the health of your aquarium! They keep the nitrogen cycle going and help keep your tank inhabitants healthy. Filter media is anything placed in a filter that changes the quality of water flowing through it. With the variety of medias available, specific types can be chosen to create the optimum environment in your aquarium! We stock filter media from brands as JBL, Dymax, EHEIM, Deco O, Hobby, Juwel, NP, Seachem, Sicce, TMC and Trixie!