Got a few brown spots popping out on my gg#4auto. I jumped from 600ml / day to 1litre. Soil stayed damp for 4 days.
Just started watering again today but from the bottom. Gave them the 600ml I know they can handle. 1000watt led 24inch away.
I had something similar last week - you didnt by any chances get your leaves wet and have them too close to lamp did you? Some swear by misting but with LED or CFL we tend to keep closer to the plant so thisr water droplets act like tiny magnifying glasses and burn your leaves. I wont be misting in future! lol
Hi mate, she looks a little stressed. I wouldn't worry too much about it. Looks like nute burn on the second picture but not entirely sure as rest of plant looks ok as per your diary. let her grow and stop LST though. Not good for flowering stage. Good luck and happy growing...