Aug 14, 2020 #1 srt4eric Community Member View Badges SF Bay Reefer My Tank Thread Joined Jul 27, 2020 Messages 85 Reaction score 68 Location San Jose Rating - 0% 0 0 0 this black string stuff is sticking out from under my new zoas. Its is very hard and tough to pull out using tweezers. Is it even anything? Help guys!!!
this black string stuff is sticking out from under my new zoas. Its is very hard and tough to pull out using tweezers. Is it even anything? Help guys!!!
Aug 15, 2020 #2 Ron Reefman Lets Go Snorkeling! View Badges Reef Squad Excellence Award Reef Tank 365 Article Contributor Tampa Bay Reef Keepers MAC of SW Florida Joined Aug 12, 2012 Messages 9,366 Reaction score 21,076 Location SW Florida Rating - 0% 0 0 0 Not really sure. You say it's hard? Maybe some kind of calcareous algae?