Jun 13, 2011 #1 R royta Aquarium Advice Activist Joined Apr 9, 2011 Messages 103 What do you think this is? Attachments ForumRunner_20110613_151954.jpg 60.9 KB · Views: 104 ForumRunner_20110613_152053.jpg 61.5 KB · Views: 99 ForumRunner_20110613_152157.jpg 60.9 KB · Views: 102
Jun 13, 2011 #2 Rosenweiss Aquarium Advice Addict Joined Mar 8, 2011 Messages 1,689 It looks like a type of fungus...