i take 42 clones 1 month before harvest(from a mom in veg)and the day after harvest i clean my flower room and put 36 clones in a 14" deep,4' x 4' bed,veg for 7-12 days and flip again(i use time release dagda nutes and apply day 1 and day 30....i get 1.75-2lbs every 9 weeks,give or take a few days