Bac Bio Balls
A lightweight and highly effective medium with a large surface area for bacterial growth.
Approximately 1000 Bac Bio Balls will provide biological filtration for 1000 gals of water
With all plastic media, maturing time of the media can take a long time, if you are considering media for a shower or trickle filter, then consider Crystal Bio Media.
Crystal Bio Media will mature very quickly and has more than 10 times the surface area of most plastic media.