Feb 12, 2013 #1 B Breakthecycle2 Aquarium Advice FINatic Joined Jan 19, 2013 Messages 900 Location Hasbrouck Heights, NJ I just noticed something last night, now I see them on the glass. Any idea? Good? Bad?
Feb 12, 2013 #2 Massimo Aquarium Advice FINatic Joined Nov 5, 2012 Messages 534 Not sure, looks like a type of algae
Feb 12, 2013 #3 OP OP B Breakthecycle2 Aquarium Advice FINatic Joined Jan 19, 2013 Messages 900 Location Hasbrouck Heights, NJ See, I thought that too, but it's moving along the glass
Feb 12, 2013 #4 Massimo Aquarium Advice FINatic Joined Nov 5, 2012 Messages 534 Then I honestly have no clue ahaha!
Feb 12, 2013 #5 OP OP B Breakthecycle2 Aquarium Advice FINatic Joined Jan 19, 2013 Messages 900 Location Hasbrouck Heights, NJ Yeah it's leaving like blackish streaks in the sand bed. It's the weirdest thing!
Feb 13, 2013 #6 Craigj247 Aquarium Advice FINatic Joined Feb 19, 2012 Messages 779 Location Sri Lanka Could be some type of hydroid maybe :s