need help growin like third time

ive grown before but nver really serious until now.got 6 dro plants all of em look good n like they doin ok.got em 15 hrs on and 8 off with a regular swirly light bulb.i dont have any nutrients do i need them at least to get to the cloning stage in two months or u cant grow without any of that stuff.and what type of light will i need for thenm to bud i was lookin at sme hps sodium like 400 watts.n at sm like blooming nutrients for when theyre ready.i would like to be growin like a pro after this first time. so any help and suggestions plse