Jun 28, 2021 #1 R Rockhound New Member View Badges Joined May 27, 2021 Messages 23 Reaction score 14 Location Kansas Rating - 0% 0 0 0 I think the purple is new coraline. But there are spots that look fuzzy brownish purple or red maybe
Jun 28, 2021 #2 JGT 5000 Club Member View Badges Reef Of The Month My Tank Thread Joined Jul 6, 2020 Messages 5,658 Reaction score 6,507 Location Northeast Rating - 0% 0 0 0 Hard to see. Sounds like algae.