- Joined
- Jan 25, 2023
- Messages
- 6
- Reaction score
- 3
- Location
- chicago
- What state or country do you live in
- Illinois
Hey guys starting to see red spots coming up on live rock and around the tank I also have some red spots on the glass I’ve been scraping off. Wondering if this is corraline or another type of harmful algae. Thanks!


