The open porosity largely ensures excellent water circulation and prevents clogging. Due to the open pores, old dead bio-film is easily washed out of the medium.
Bio Eco-Base has pores with a size of 20-30 μm, i.e. their size is suitable for the settlement and development of beneficial bacteria.
Bio Eco-Base is made of an inert ceramic material and sintered at a temperature of approx. 600°C.