Good tip on the Dutch Masters ??Zone???.It??s goes right into the res temps file?.I??ll likely need it some day. While I??m kinda on hold, waiting for cooler temps to arrive?.in SoCal high temps can arrive about any time. Tonight the temperature isn??t dropping much?.so dropping the temps (in the grow room) overnight involves ??active participation?.
My local water is (or could be) very similar to the Zard??s description of his?..pumped into above ground tanks and then delivered. I??ll just make my best guess, and see what happens.
You??re a good man, and always helpful??I am bound and determined to stay out of the ??plant problems? section this fall. We shall see?..

As always?.hope that your life is good,
Horsemanrocks??out!