Dec 17, 2011 #1 mgm624 Aquarium Advice Apprentice Joined Oct 5, 2011 Messages 21 What is that green thing extending from the rock
Dec 17, 2011 #2 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania ...algae being pulled off by the current?
Dec 17, 2011 #3 OP OP mgm624 Aquarium Advice Apprentice Joined Oct 5, 2011 Messages 21 Thanks! So i have to remove it. Looks cute at first.
Dec 17, 2011 #4 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania I might be wrong. A tad blurry, I'm just taking a guess. It might not be a bad algae either.
Dec 17, 2011 #5 OP OP mgm624 Aquarium Advice Apprentice Joined Oct 5, 2011 Messages 21 It looks like a vine
Dec 18, 2011 #6 ccCapt SW 20 & Over Club Joined Mar 15, 2004 Messages 5,365 Location Northeast PA Looks like grape caulerpa. It can get out of control.