George, I am curious as to Texas ponds and muck build up. I was under the assumption that the bottom diffusers help break down muck. When a pond is in that 6 to 7 depth, does the surface agitator bring enough O2 down to that level to help with muck.

I know that this doesn't really help Tom's problem, although we all don't want are ponds to fill in needlessly, but just curious if southern ponds don't have to worry about muck build up as much as northern ponds.