freybizzy
Aquarium Advice Regular
- Joined
- Jan 13, 2014
- Messages
- 52
They are not star polyps. They look like these-
Saltwater Aquarium Corals for Marine Reef Aquariums: Colony Polyp, Yellow
And lighting won't have an effect that fast. I'm guessing the lighting they were under was better.....like LED with a lot of blue maybe...