Cirax is a biological filter medium, which, due to its highly porous and large surface area, offers useful bacteria optimal properties for colonization. JUWEL Cirax is a highly porous granulate on a ceramic base which, thanks to its extremely large surface area, provides an optimal environment for useful filter bacteria.

In your JUWEL filter Cirax contributes to an excellent water quality. The use of a special basket matched to the size of your JUWEL filter allows easy handling, while the optimised filling quantity ensures a long service life of up to one year.