The bio ball media for aquarium that helps clean your water naturally and cultivate beneficial bacteria with these polypropylene biological balls, ideal for fresh or salted water. larger capacity. that most biological filter media, reduced and controls ammonia and harmful nitrates. Made of high quality plastic and organic sponge, bio-sponge inside provide more surface, can provide An anaerobic environment. 16 mm diameter, packed in mesh filter bags facilitating cleaning, promoting gaseous exchanges and increasing dissolved oxygen levels. Good to use in Different types of filters, promotes the growth of biological colonies. Size: 200pcs, 16mm Features: Material: PVC Color: black Diameter: 16mm Package Included: 200pcs Organic Ball Balls Aquarium filter
