Bill, my thermometer only has a 4' lead and I'll need to get the boat out to get out that far but I'll see what I can come up with. Maybe I'll be able to get some underwater video at the same time. I've been curious about the bottom temp as well but the Vertex with two lift stations is probably turning quite a bit of water in my now <half acre pond.
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge." Stephen W. Hawking
