Juwel Bioplus Primo 60 70 Filter Sponge Fine

JUWEL Bioplus Primo 60-70 Filter Sponge, Fine The JUWEL filter sponge coarse filters an aquarium via mechanical and biological action, making it an essential component of the JUWEL filter system. The coarse pore structure has a large surface area, which promotes relatively high and even water flow velocity. This means that it is particularly suited to biological filtering in aerobic areas. The open pores of the JUWEL filter sponge are made without the use of chemicals, meaning that there is no residue. Porous sponge filter media Mechanical and biological filtering characteristics Homogenous structure, guaranteeing even flow conditions No chemical residue Suitable for use in freshwater and saltwater aquariums After something different? View all Aquarium Filters and Media. New to fish care? View our guide to Setting Up a Fishtank.