- Joined
- Jun 19, 2021
- Messages
- 582
- Reaction score
- 207
- Location
- Austin
- What state or country do you live in
- Texas
I have and am still dealing with phosphates leaching from my rocks and sand. Can someone tell me if this is cyano or dinos? There are a bunch of air bubbles on it. It started on my rocks but is now also on the sand.

