Dan P. -- Diss. Oxy. Are they checking the oxygen with a probe/meter or chemical tests?
If using a probe, does it have a temperature read out? The pond's DO probably drops off at about 9-10 feet deep depending on water clarity.
The oxygen will usu. rapidly drop at the thermocline (where the temp. drops rapidly).
Have you ever seen the boil affects of a Koenders (Canadian) windmill? What is your pond's exposure to the wind? east west north south? Good exposure or sheltered? You have to have good wind exposure from three directions for the windmill to be really worth while..
