SuperFish Bio Balls Pond Filter Media 10Ltr\nSuperFish Bio Balls provide a high performance filter media ideal for biological filtration in pond filters. Simple yet efficient, Bio Balls have been designed to provide a high surface area for optimal bacteria adhesion and growth. Bio balls will effectively boost filter performance and are extremely easy to clean. They also have an unlimited service life, thanks to their strong plastic construction making them a ideal for long term use. Rinse with clean tap water before use.\n\nSuperFish Bio Balls Pond Filter Media 10Ltr\n\nSuperFish Bio Balls provide a high performance filter media ideal for biological filtration in pond filters.\n\nSimple yet efficient, Bio Balls have been designed to provide a high surface area for optimal bacteria adhesion and growth. Bio balls will effectively boost filter performance and are extremely easy to clean. They also have an unlimited service life, thanks to their strong plastic construction making them a y