You could try baking soda... http://gardening.about.com/od/gardenproblems/qt/PowderyMildew.htm
Thanks!
I’ll give it a shot if the milk don’t work.
The web articles and studies I’m reading are all seeming to say that milk is a better fungicide than 99% of the store bought brands.
Just hope my garden doesn’t end up smelling like something a baby urped up!