thank for the help. will a hps work for vegtive groth or is it just for flowering, I thinki have a decent lighting i have two 15w energy savers spotlight, one 150w hps, and two floresent 18in plant lightsone is red spctrum and the other is a blue and they ar both 15w. im trying to get about six plants in my closet. would that be enought light for vegtive growth? what should i do with the hps? shouldi kept it on with the other light or without?