no 1. why would u want too, the last couple of weeks plain water or ripening solution.
no2. how many days do u see with 6 hours of light then 6 of dark then 6 of light and so on . jesus man use ur head , by changing the light u are trying to simulate the changing of the seasons.
no 3 . and finally the only normal question u have asked , yes she'll be fine to flower, but what i would say is put her in a larger pot as the size of the root ball can determine the amount of bud