fit101
Aquarium Advice Apprentice
- Joined
- Apr 16, 2012
- Messages
- 32
How often should you change out bio wheels?
Thanks guys
Thanks guys
tamtam said:Never. They are designed to stay with the filter for it's life. Sometimes you will need to give them a swish in old tank water or clean off the white plastic knobs on the end to help it keep free moving but the wheel itself doesn't go anywhere