General all-purpose media for filter Bio-Filtration. Can be used in many water filter and pre-filtration systems to add additional Bio-Filtration through the growth of natural bacteria. The design of this media allows a large surface area for beneficial pond bacteria to thrive, resulting in cleaner water supply.
- Works as biological filtration
- For use in most filter systems
- Will not hinder flow of water
- 8LB box (Approximately 1 cubic foot)