Quick Lighting Question (first timer)

tomgrazz

Member
So, after several weeks of intense researching, I've accumulated enough knowledge to start my first grow with only a few questions left unanswered. First and most importantly, the lights.

I'll be running 400w MH/HPS for veg/flower, but I intend to have a different space for each (closet stacking, actually). Is it possible to run both of these lights simultaneously from the same ballast? Or would I need a separate ballast for each?

I was also wondering what sized reflector I will need for each. Plan on getting some cheapy batwing reflectors.
 
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