light leak tent flowering cycle

New to the whole forum thing , so I'll just dive in. I just put in 4 week teen age clones in a 10x10 tent. Blissful Wizard, Platinum Bubba and Jungle Cake. I've had them under 12-12 for a week. Today I looked at PB and pretty sure I saw a bud starting?? Having a bit of confusion with humidity...

Situation: 2 tents in 1 room in a room with a window. 1 tent for veg, 1 for flowering. About to go into a flowering schedule soon and simulatenously veg. My concerns: I turned off all lights in room yesterday and sat in there while veg tent light was on and all the flaps were closed. The veg...