Nomadu571
Aquarium Advice FINatic
- Joined
- Jul 19, 2011
- Messages
- 514
20 gallon, I do roughly 40% because I do it in buckets, and at least once a week maybe twice if I have over fed or a lot of food has dropped to the bottom, or as I'm getting rid of tannins thanks to some renegade drift wood, if it's looking browner than usual ill do a water change twice a week.