Feb 25, 2019 #1 K KMKoolreefs New Member View Badges Joined Oct 28, 2017 Messages 17 Reaction score 9 Rating - 0% 0 0 0 Does anyone know what this is for sure? Seems to have upset nearby zoas.
Feb 25, 2019 #2 Lovemyreef2015 Reefing Mom! View Badges Reef Tank 365 My Tank Thread Joined May 21, 2017 Messages 6,123 Reaction score 30,571 Rating - 0% 0 0 0 They look like a type of hydroid to me. I would try manually removing them.
Feb 25, 2019 #3 reef lover It's a reef thing.... View Badges Excellence Award Reef Tank 365 Hudson Valley Reef Keepers Hospitality Award 518 Reefers My Tank Thread Joined Jan 1, 2013 Messages 14,296 Reaction score 44,612 Location new york Rating - 0% 0 0 0 Could be this guy...agreed manual removal and maybe some superglue where you can.