Our ponds are all so different (not just the obvious stuff like size, depth, Lat/Long, but also things like soil fertility, rainfall, typical seasonal winds, whether trees block sunlight or airflow, and dozens/hundreds of other variables we mostly don't even know), sometimes I think it's a miracle we can apply any information others have learned to our own situation, let alone the great amount of data we share here.

It's OK now, I climbed down off the soapbox. :rolleyes:

"Live like you'll die tomorrow, but manage your grass like you'll live forever."
-S. M. Stirling
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