250 Bio Balls
Use the Premium – Max Bio Ball to grow beneficial bacteria in your filter! A must is clean water technology. 25 sq/in of surface area on each bio ball. The construction of each bio ball is excellent and heavy duty! The design allows for water flow outside and inside of every tube creating the maximum surface area needed for pond filtration. Made in the USA. Pond Bio Filter Media is used for all Koi and goldfish ponds. Our product can be used in pondless water features as well. Each Bio Ball comes with a lifetime warranty.