Salty D-O-G Well-known member Joined Jan 15, 2007 Messages 146 Location Ellsworth, Maine Jan 28, 2007 #1 Do you or don't you use them? Opinions please. Jerry
mmkeeper Well-known member Joined Nov 19, 2005 Messages 2,093 Location elk grove, ca Jan 28, 2007 #2 I use one, I have had it for a koi pond that I bought a bigger one for, so since I had I use it.