wrote in message
om...
snips
I even squirted milk around water edge to follow
flow (it worked and found several low area where water was crossing
liner)
Anymore dectective work I can do to isolate if leak or convection?

Hi,
One thing to confirm/eliminate evaporation is to get a pot (large surface
area best) put it in pond on blocks or something to approximately match
surface of pond. Fill this and wait. If evaporation is cause for loss then
both the pond and the pot will lose at the same rate. If the pond loses more
then you got a leak.
If a leak is confirmed in the static pond, let it leak until it stops,
assuming it does not drain completely. When the leak stops fill the pond
about 1/2 inch, you know the leak is in this 1/2 inch somewhere. Slowly
dribble, I use a hypodermic like thing, the liquid around the pond, the leak
will show a current. Drain below this point, dry and patch.
HTH -_- how
no NEWS is good