Well, I tried the leaf blower into the discharge. Air blew a geyser out of the siphon tube, but not a bubble in the middle of the pond. Looking back, I suppose I should have had my wife get in the pond and plug the siphon pipe, hehe. As I see it, this experiment only stronger supports that the discharge inlet is clogged. Thoughts?
I also uncovered the siphon tube enough to find a 90 elbow heading down to where the discharge pipe is..........But, it has a rubber coupling with hose clamps just before the 90 degree. The rubber does not show visible damage that would break the siphon, but I did not dig. I suspect I could de-couple this and use this to fill the discharge pipe to create a siphon. Hmm, wondering if trying to siphon would be a wise move, or would it possibly compact even more what could be clogging the pipe?
I do have a gas irrigation pump I intend to use to try a few more things, and will likely try to pump down the pond level if rain hits the forecast.
All advice is much appreciated. Thank you,
David in SC
