Juwel Aquarium - bioPlus Coarse Medium

• The JUWEL filter sponge coarse serves for the mechanical and biological filtering of your aquarium, making it an essential component of the JUWEL filter system.
• The coarse pore structure gives a large surface area, guaranteeing relatively high and even water flow velocity. This means that it is particularly suited to biological filtering in the aerobic area.
• The open pores of the JUWEL filter sponge were made without the use of chemicals, meaning that there is no residue.

Characteristics of the JUWEL coarse filter sponge:• Best mechanical and biological filtering characteristics• Homogenous structure, guaranteeing even flow conditions• No chemical residue• Suitable for use in freshwater and saltwater aquariums