Downy mildew? Any other possibilites?

Discussion in 'Sick Plants and Problems' started by 710boston, Jul 27, 2017.

  1. Hey whatsup guys, noticed this brownish-tan spot on one of my lower leaves a few days ago and didnt think anything of it. A few days later, it spread up the plant a bit, and to my plant next to it so i got worried.. took off a few of the leaves, and the under-sides of some had a light coating of a dark greyish film.. couldnt get a good picture of the grey on the bottom, it was really light.. ill try to get a good picture if more appears. I have an oscillating fan pointing between them, and im growing in a diy box, with a small pc fan pulling fresh air in.. temp had reached 88 last week at the highest, and humidity is usually between 45-55% if it is downy mildew has anyone battled this? Anything i can do? Im 22 days into flower, and this is my first grow aha would hate to see them taken down from this. 20170724_145541.jpg 20170724_144708.jpg 20170724_144648.jpg 20170724_144755.jpg Thanks guys!

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