- Joined
- Apr 2, 2018
- Messages
- 983
- Reaction score
- 837
- Location
- louisville, ky
- What state or country do you live in
- Kentucky
I see a lot of people with GSP on the back wall. How do you keep it just on the back wall? When it gets to the edge can you just hit it with an algae scraper or would the little bits seed them self all over your tank if you did that?

