Mildew?

I have just noticed one of my outdoor plants has a lot of dark spots underneath the leaves and along some stems. I had sprayed this one with diluted milk on a sunny day because it was showing signs of wpm.

Is this mold?

Here’s the plant. It’s pineapple express. Still has a ways to go in flower. It’s in a 15 gallon pot in promix hp. Using general hydroponics.

Kinda looks like sooty mold. Have you had pest issues

bam0813 said:

Kinda looks like sooty mold. Have you had pest issues

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Not really, I mean there have been bugs on it like lady bugs and such but nothing feeding on the plant itself
I had sprayed for mites early on in the spring but no signs of them since then.

Anything to worry about even if it is mold. Seems to be contained to the underside of the leaves..
I was going to give it a good spray of 3% h2o2 for good measure.

I'll keep an eye on it and prune out any heavily affected leaves