Gentlemen, One of the best plants I ever smoked was an old clone mother that I put under my 150w and flipped. II was as good as one could want. I use mine for vegging and to add to the 400w in the flower room if I am not vegging anything. But never underestimate the 150w hps, a good veg. light and will flower one or two plants if they are not too tall. Too tall? then lollypop the plants and they will be fine. Thank you... The Poet...