I went on vacation and came home to this on my plants. Any ideas what is going on with them? Soil is FFOF and using FF Trio.
This looks like mold. We’ve seen several outdoor growers with this issue recently.
It can be treated with a dilute spray of hydrogen peroxide.
what ratio should I mix the hydrogen peroxide and water?
I agree. I would think a mild case of mold.
50/50 using a 3 % solution from the drug store.
It will knock it back a bit but won’t cure it entirely.
A product like Safers defender
Or Lost coast plant therapy
Will help kill it off.
Is this safe to use even if they are in flower?
Yes. Both products say they are safe to use up till the day before harvest