AQUAEL BioCeraMax 1600 is a high-performance filter material for effective biological filtration of aquarium water. The fine-pored filter balls provide a huge surface area of approx. 1600 m/l for colonizing bacteria of the Nitrosomas and Nitrobacter genera. Pollutants such as ammonium/ammonia and nitrite are quickly removed and the aquarium water becomes clear, clean and healthy. To maintain optimal filter characteristics, the filter material should be rinsed regularly and replaced after approximately 6-12 months.AQUAEL BioCeraMax 1600+ biological intensive filter material+ suitable for freshwater and marine water+ offers bacteria a huge surface area of 1600 m/l+ easy handling+ thanks to the ball shape otimal filling in the filter+ long service life+ package contents sufficient for up to 200 l of aquarium water.