hi all i,m revamping my system i,d would like to get a pound under one six hundred watt light . i have three that i will use in rotation maybe 20 one gallon bags under one light and say 2weeks later another 20 under light number 2 and so on .my question is does anyone else thinks its possible to get a pound under one six hundred watt light. given good conditions and of coarse the right strain?.anythughts will be greatly appreciated.