Aug 25, 2013 #1 Needles15 Aquarium Advice Activist Joined Jul 1, 2013 Messages 176 Location Ohio What is this and how do I get it to go away!!?
Aug 26, 2013 #2 S saltcreep1025 Aquarium Advice FINatic Joined Jun 23, 2003 Messages 747 Location Indianapolis look up cyano