yeh i agree sorry 4 askin 'stupid' questions guys but i just wanted them unstood in my own personal way, ive had a look around on this website and yeh i am i wud say.......a novice hydro grower i kno all the ups and downs etc etc, i jus need to save a lil bit of cash and im gunna start 2 grow just 1 KBS at a time just 2 c how things go (to be honest i havent even got room for more than 2) but thanks for your help and i hope my grow goes well.

peace.