Try doing your homework on "DLI" to obtain the moles your after. I run a 1000w hps in a 5x5 for flower. But my last run I did veg as well. My sweet spot for my indica strain was 600 PPFD which is 49K lux ish to obtain 39 moles in a 18/6 hr period. So I would start out at 450 ppfd and go up to a...