Before you get any aeration suggestions go to google planimeter and measure the oblate oval size of each basin. Include in the size water that is mostly deeper than 2.5 to 3 ft. Do not include connecting channels. From your prior description as a rough estimate it looks to me you have around 0.27 ac in the big basin and 0.15ac in the small basin.
http://acme.com/planimeter/

Last edited by Bill Cody; 06/24/17 08:28 PM.
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