Is this wasting light/energy? This medicinal grow (ptsd/severe depression) has a 30"x36"x72" homemade panda 'tent' in a nicely sized, adequately vented basement backroom. 3 bushy 9" 100% lemon haze girls from seed in 8" pots, hydro-drip setup. Plan is to grow them to @18", top, and go 12/12. 6...