The girls are hella thirsty in those last pics, I watered them shortly afterwards.
(thats all 4 plants in the first set of photos)
Pics:
#1 This is what they looked like on October 16th, their first day under the HPS.
#2 Oct 21st, all started LST'ing
#3 Oct 27th
#4 Nov 3rd
#5 Red line = shape of the main stem