scotty Fish Herder Joined Feb 1, 2005 Messages 1,836 Reaction score 0 Points 36 Location camelon,scotland Jun 9, 2011 #1 does anyone use this with their external filter and is it any good. thanks scott
gillicous Fish Fanatic Joined May 22, 2011 Messages 97 Reaction score 0 Points 6 Jun 9, 2011 #2 im using mine does tend to look dormant but surprisingly good at keeping the surface of the water clear of oils and other films that reduce the waters ability to "breathe" so to speak
im using mine does tend to look dormant but surprisingly good at keeping the surface of the water clear of oils and other films that reduce the waters ability to "breathe" so to speak