Light penetration shouldnt be a problem I hve blackout mylar an yes I have looked up 150 hps do you know any where that sells them at a decent price?
As of right now I have 2 5k bulbs that are 23 watt an 1600 lumens each, 2 2700 bulbs that are 23 watts and 1600 lumens each, and 1 like 6k bulb...