Quote Originally Posted by bigtopsfinn
Footprint of a 250w is about 2x2, 400w is 3x3, 600w is 4x4, 1000w is 5x5 (depends on the reflector you're using for these, but thereabouts)

You could mount a 250w in the middle and use some CFL's on the sides :twocents:
Thanks for the response. I am not sure how large of a SCROG grow I am going to try, as I do not know what kind of yield I can get from this size screen. Basically, I am just reading a lot and hoping I do it right.