Happened to a couple of mine, looked just like that, was fertilizer.
By the time those recover, you could have new plants going back to that size.
And stress increases hermi chances, just sayin
Oh and get new soil, if that was a fert accident, you could "flush" it but why, get new potting soil.
Id also recommend holding off till you get proper space / lights
The size those are now, is already too big for that area light.
youll see what i mean if you let a plant that size go to flower for full term, heh.
I been down that road man, IF u want i can show u the little spot i got going.
and ive even used it for other stuff, like tomato plants
