Your pics show a plant that has not sexed yet. I can't remember what they are called but those are not hairs in the pics. A week or so into the 12 12 timing it will sex.
I dont often see pre flowers in veg before I switch. some of my well worn varieties do.
those are not sexed yet. you'll know when they are, and if not google it, I saw 10 ooo pictures of what you
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