Nov 24, 2013 #1 Flaxon-Waxon Aquarium Advice Addict Joined Jun 22, 2012 Messages 2,995 Location NH Looks like little mushrooms. Growing pretty quick. Also noticed some culerpa as well...
Nov 24, 2013 #2 melosu58 SW REEF 20+ YEARS Joined Oct 21, 2004 Messages 39,152 Location Virginia Hard to tell from the pic but almost looks like grape calerpa.