MH stretches between nodes, HPS bushes between nodes, the HPS is better for short bushy rock nugs, and HPS is good for all stages. MH is a good mix to throw in on the HPS, say if you have dual hood, a 600 HPS and a 400 MH. To each their own though.MH does make airy nugs if thats all you use.
jamessr Reviewed by jamessr on . veg could i use a hps light to veg or it's not good? Rating: 5