Juwel BioPlus Filter Sponge Coarse Aquascaping Tools Because it uses top-quality silver

Because it uses top-quality silver contacts and shock-proof borosilicate glass

Mini size is perfect for betta tanks and desktop aquariums

from pico desktops and All-in-One aquariums with limited space

Filter & Heater Sold Separately

Worm disinfectant in aquarium (including planaria and hydra)

Juwel BioPlus Filter Sponge Coarse Aquascaping Tools Because it uses top-quality silverbioPlus coarse Filter Sponge 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