I have biowheels too, the 200 on my 30 and a 150 on my 10. I LOVE them.
The instructions do say it will spin more irregularly as it gets older.
__________________ 29G - Cories, Black Skirts, Yoyo Loaches, SAE, Betta
10G - Betta, Ottos
3G - Betta Retirement Home
10G - Crayfish tank in the works... no bettas allowed |