Yes I remember you and was glad I was able to help. But I have a .62 acre pond that I know would not stay cool enough for trout if I ran in 45 gpm even with the things you were doing with your pond. My pond doesn't even have a shallow edge to it. But you either have more flow than you think or you are doing a lot of things right!
Personally a trout pond is such a rare gem to have I would stick with the trout. If I was you I would add brooks and browns to make it more interesting. John Nelski of Crystal Springs in N. Muskegon, MI has goldens you could add also.
If you use Aquamax they have a color enhancing feed you can order in the spring that will color up brook trout like this:
