| Bekko,
Thanks for the links,it was informative to read.
I did measure all around the pond to ground and did not measure any current.
A couple of the fish have improved slightly, at least to the point where they can manage to swim up to eat, or maybe they are just getting used to their new way of swimming. The fish that seem fine, still seem fine.
I get the impression that whatever happened, it happened very suddenly, and is not something that is progressing. The sudden occurance happened to coincide with my power outage.
I may never know exactly how this happened, but for sure when I expand my pond i am not going to have any electric pump, heater, etc. in the pond!
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Rockman
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