Zandor, i would like to thank you man for your help and advice i get each time i have a question.....i've read the answer you posted and to be honest i imagined the setup like you suggested, then again i thought about it again and again...with plans like this i will become a drug baron or lord.....lol....nahhhh, i think i found out what is the max i will propably do....you see i want to grow BIG, just for one time, produce one BIG yield and stop there....hopefully i will stop growing indoors within two grows....now i have one NFT board measuring 4x3 ft.....in my dream grow i will have 3 boards in total....a sea of green in an area of 36sqft.....hopefully like this i will be able to make my dream crop....thanx again for the info and the advice.....ahhh as for the digital ballasts, you're brilliant man, i had no idea that these things exist....ok another question.....is it possible to connect many lights to one transformer?

NGOS