pistils white

Just one (out of many) plants in veg room is showing pistils. She is 3 weeks into veg and has humidifier next to it which has some stupid light I haven't noticed, also one of my LED's (one of two in the tent) was on 24/7 for 6 days as I forgot to plug it into timer. My suspect is the humidifier...

Kia ora fellow Plant people, looking for a bit of general advice on where I’m at currently in the grow ( week 7 day 3 of 12/12) and what I could do to optimise my growing methods for my girls. Here’s the setup. 1.2m square by 2m tall grow tent. 600w nanolux dimable hps. (Ballast inside tent)...