I know of one that I can see from my living room - across the lake and in a bush - if you know where to look - and I'm not going to say where. I've thought of replacing it in the same location with a Bison tube because it is a cheap piece of scrap plastic that leaks to the point of destroying the log. I posted it as needing maintenance when I found it but I don't believe that's happened. After reading through this I don't think I'll be offending anyone by doing so - only trying to help.