... filter media for pond,fish farming,aquarium and wastewater treatment. MBBR bio media, Biocell, Biological filter ... pond, fish farming, aquarium, Koi filters and wastewater treatment.1. Product DescriptionThe Biocell is a new microbial ... 2. Using scopeThe Biocell can be applied to municipal wastewater treatment, industrial wastewater treatment, pond, fish farming and aquarium.3. SpecificationΦ10X7mm, ...