Oct 23, 2018 #1 srusso Active Member View Badges Joined Jun 14, 2011 Messages 189 Reaction score 162 Location Connecticut Rating - 0% 0 0 0 Help with an ID, thanks in advance.
Oct 23, 2018 #2 Crabs McJones I'm so shi-nay View Badges Excellence Award Reef Tank 365 Article Contributor Moderator Emeritus Hospitality Award Reef Tank 365 Boss Wisco Reefers My Tank Thread Joined Jul 24, 2017 Messages 27,806 Reaction score 139,920 Location Wisconsin Rating - 0% 0 0 0 Medusae Hydroid. Theyre very common in new tanks and tend to go away on their own