Originally Posted By: Cecil Baird1
I was told by a very knowledgeable person that it's typical to have unheated water about 2 degrees below ambient temp. Don't ask me why but I have some guesses.


My money is on evaporative cooling.........

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).