Mar 24, 2013 #1 U unejam Reefing newb Anyone know what this is? Is it beneficial to the tank? Attachments CameraZOOM-20130324175353547.jpg 197.6 KB · Views: 535
Mar 25, 2013 #3 Greenman Reefing newb Def. not coraline, looks more like botryocladia pseudodichotoma