* Made from an ultra high surface area inert ceramic. 
* Specifically designed to house beneficial bacteria that will eliminate ammonia and nitrite in aquariums and ponds.
* BET Method surface area analysis has determined the effective surface area of AquaClean 3D Filter Medium to be in the range of 2,850m2 per litre, far surpassing other biological mediums in the market.
* Suitable for fresh and marine water aquariums as well as in ponds
* PH value: 7-7.2