- Joined
- Aug 11, 2018
- Messages
- 139
- Reaction score
- 38
I'm guilty of treating my display with Cooper and that was about a year ago. I did remove all inverts and coral prior to the Cooper but I left my rock and sand. To this day I have a mixed reef with inverts and etc and everything is doing fine, just my story, alot of others don't agree with using copper in your dt but I have yet to see any negative effects. Good luck

