Quote Originally Posted by Italiano715
AHHHHH I searched everywhere for the equation and couldn't find it so I gave up!! LoL glad you answered cause I couldn't!

P.S. 5000 Lumens per is for optimal growth, I think it's 3000 that is the minimum, but I could be wrong.....
thank alot but it is three dimensional its 4ft tall and 21" wide all around