Jul 22, 2009 #1 M mrg02d Aquarium Advice FINatic Joined May 30, 2009 Messages 990 Location tallahassee, florida Hello all, I found these strange things growing on my glass today. Any idea what this is? There are a couple in various places on the glass. They are reddish in color. Thanks, Matt Attachments Picture 652.jpg 71.3 KB · Views: 56
Hello all, I found these strange things growing on my glass today. Any idea what this is? There are a couple in various places on the glass. They are reddish in color. Thanks, Matt
Jul 22, 2009 #2 roka64 Aquarium Advice Addict Joined Mar 21, 2006 Messages 13,858 Encrusting sponge, probably. A harmless filter feeder. It's kinda hard to tell from that pic.