Whats the best thing to do to get my plants to grow bigger this is my first harvest and i started with 5 female plants my tallest is barely over 3 ft tall and im not sure what i did or didnt do i could use any info at all i am very new to growing im using a 4x4x8 grow tent with a 1500 watt king led light on full spectrum what can i do to maximize there height and yield