4corners I think you are definitely right, there is some way to assist the diffusers. Unfortunately, when I am up there I am on a short time line and end up running around like a mad man trying to knock out a huge list. Last summer I was planning on putting in a pipe and a black floating PVC apparatus to try to help, but I just didn't get to it. I half way felt ok about not getting to it because I figured the 2nd windmill would do the trick. This Summer I am putting in a solar system to run the cabin and especially the aeration while we are gone to hopefully kill this problem once and for all.

I also noticed slightly less ice up there. Of course I cannot be there to measure thickness, but from the remote camera pics I saw that the ice up there formed a little over two weeks later this year. At this point up there I will take any little advantage I can get.

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