mcarroll Posted July 8, 2020 Share Posted July 8, 2020 My best guess from PhycoKey is a cyanobacteria, but the one I'm looking at doesn't seem likely in a reef tank. Anyone actually know what this is for sure? Here's a time-lapse video. Quote Link to comment
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.