She looks like a sativa to me, get some more bulbs, 25w one's will work good with reflectors
you going to want about 150-200w on her and they take ages to flower, like 10-12 weeks.
Photoperiod, that the 12hours on and 12hours off, it must be kept the same always. if it comes on a 5pm and off at 5am then that must never change!
Do you not have a closet that she can go in?
Also, fill the rest of the pot up with soil, that will add more nutes to the roots.
If you have cash, get a HID lighting setup, you will not regret it!!!
A bit Of LST would of been great on her, you could of kept her half the size,
Peace