Yeah I wish I had your problem too, I have a 400WATT HPS and I should have bought a 600, but now I am gonna buy a 600WATT and if grow out of my paranoia I am going to do a Hydro SOG, Veg in one close with a 400Watt MH + FLors , Flower with a 600Watt HPS.. and try to get 3-5 ounces a month...