I have burnt her some in veg and also a little in flower. This light is powerful. I am on 70% 20" away. The lights I gave Ben are perfect for autos. I was about 10" to 12" @ 100% on most of the autos. They really don't like high 800 to 1000 ppfd. I have found out they like it between 500 to high 700 ppfd with the environment I am providing.