Some sativias will do that after massive stretch. Had familiar problem with 2 autoflowers. After 5 months from seed i decided to chop.
I ate cookies 2 weeks straight. All my vacation :D
Yes, i use Leds also, but i have two leds both 270wats from wall. I would like to see picture of these lamps if its possibel ? I kno dutch passion has Leds what use 75 wats and compares 150w hps or smt, im just not sure that 45 wats is enough for proper flowering :/