Nikkid1987
Aquarium Advice Activist
- Joined
- Feb 28, 2013
- Messages
- 172
I recently read that some people suggest using 2 filters on a 30g tank... I have a filter that is for 20-30 g tanks on it now. I wondered if I should put my 15 g filter on it as well. I have bubble stones in it but was curious as to why I'd need 2 filters