Ok, so heres my Setup. I'm using a 1000w Lumatek ballast and a 1000w Emperor MH bulb. (110,000 Lumen)
I am currently in 3rd week of Veg, I want to get the correct Lumens / Sq ft and i'm 90% sure I have this correct.
But the one thing I am unsure about is the correct lumens per sq ft a plant...