cmh grow help

If this has been talked about in previous threads, I'm sorry for the reoccurrence, I'm building out my room for flower and I've come to a standstill with choosing the correct light for my build. my space is a 18' x 16' sealed/insulted room with an a/c unit and dehu to control the environment as...

I have a couple phantom CMh315 relfectors. I'm new and inexperienced st indoor growing so I am curious if a light over the top of the canopy and another angled CMh 315 light about 3' away from the plant and the white wall behind it, would help the plant or Just burm it? Thanks