Derek's aeration "my diffuser is about 5 foot from the shore. Think i just have the air bleeding off to much have never ran it this low." You may not find a lot warmer water than 34.8. A second measurement in a little deeper water will provide better information. I suspect that the mixing is spreading out quite a distance from the diffuser. I'm learning that cold water seems to mix differently than when the water is 50F-60F+. More measurements by you and others will be informative.
