my plants are realy small 3 of them are 3 inch tall and 1 is 6 inch tall i got them under 600w hps in a closet and im useing 1 part perlite 1 part peat moss i brought the seeds form marijuana seeds.nl i fertilized them every 4th watering and got the lights on 18|6 they sported on the 1st of november should i keep the vegging more or just turn the lights on to 12|\7 on 3oth