This is my tallest and best-looking pepper at the moment, but things seem to be going south: leaves are starting to curl, and there are whitish spots on them.
It still seems to be in the early stages, so identification feels kind of hard. I can't visibly see anything on the leaves or on the underside of the leaves.
I had a similar problem in my last cannabis grow. I mostly ignored it because the plant seemed healthy-until it didn't anymore, and it cost me a couple of big buds. I didn't end up treating the plant and just killed it two weeks earlier than I would have liked. This was in October; the grow tent has been empty since then, but admittedly I didn't deep-clean or disinfect the tent, so there is a decent chance the same thing is infecting my peppers. Hence, I added some pictures from my weed plant.
I'd appreciate any insight as to what is harming my peppers and how I can best treat it. My go-to would be predatory mites, but we have below-freezing temperatures in Germany, and I'm not sure how well they'll survive shipping in those temps.
by Elux91