Polyplab Genesis Rock Benifical Bateria Filter Media Select:Genesis Rock The EHEIM Biopower 240 is

The EHEIM Biopower 240 is an efficient internal filter suited for both freshwater and marine aquariums with a capacity of 160 to 240 litres

and ornamental displays

Application: Freshwater and Marine Aquariums

essential in reef aquariums where natural biodiversity may be lacking

Polyplab Genesis Rock Benifical Bateria Filter Media Select:Genesis Rock The EHEIM Biopower 240 isBoost the bacterial power of your aquarium with PolypLab Genesis Rock and reduce nitrate, phosphate, ammonia and nitrite in your water. Over 23,000 square feet of surface area on each rock for bacteria to colonise. On the outside of the block, or in high water flow situations, bacteria species that reduce toxic ammonia and nitrite will grow, whereas in the middle of the block where oxygen levels are low, species of bacteria that consume nitrate,