Bob - I had noticed from reading some of the earlier posts that you were using a tree ring soaker. I also noticed that the soaker hose application seems to have more cons than pros associated with it. Have to wonder how long that tree ring soaker will last....but then again, for the price, it may not matter. Also, do you have a one way valve associated with it to keep water from backfilling into the hose when you are not using it?
Based on what I have read from some of the other posts and some of the professional input I have received, I get the feeling a lot of folks are trying a lot of different things with varying degrees of results. Makes it difficult to arrive at an informed, unbiased, cost-effective solution.
Sure do appreciate all the suggestions. Years ago, who would have thought that having a pond would be this complicated? Sure is fun though.