hi dub,i knew i'd spelt knowledge wrong but i was soooo stoned i could'nt figure out where i'd gone wrong.lol.no prob's i needed help when i first started(4 an a bit year's ago)so i got on the net an found this site,an everyone was really helpfull so now i've got a bit of experience it's my turn to help!!(i've made enough mistakes for everyone!!) also i'd advise you to buy a book on the subject an read up on it.i've got a few..indoor marijuana horticuture,the indoor bible by jorge cervantes..marijuana grower's guide by mel franks.hope this helps..love an respect..spliffbuilder.