I may have forgot to plug my little oscillating fan in for a long while… noticed the undersides and main stem looked a little. Hazy…? I think… may just be the little fuzz and my eyes playing tricks on me but does this look like the very early bits of powdery mildew? I already hit them with some foliar stuff for mildew…Uploading: 
57F4892A-7A93-4F97-862C-7778627A0A97.jpeg…
@Juco Some pictures didn’t upload, and pictures under normal lights will give us a better idea what’s going on.
I agree. Natural light photos for diagnosis is best 
Can’t tell in blurple but yea that’s a spot where it would develop under high moisture. Definitely not good if on stem but can be handled
How do I get pic to show…? They never work
Put a double space in between the pictures and it will work better