$15.60 (as of 05/11/2019 03:34 PST details )
Features:
- Bio ceramic rings are used to keep your bacteria colony to convert ammonia from waste to nitrites and nitrites to nitrates.
- Bio balls work as a biological filter media and give a home for beneficial bacteria where they can settle and be fed by water and oxygen. They promote gas exchange and increase dissolved oxygen levels.
- Good to use in both fresh amp saltwater tank offers mechanical and biological filtration with inside sponge.
- Bio ring size 1 2 x 1 2 Bio ball size 1 in diameter
- Mesh bag size 8 x 5.5