Great info here. I believe that the spectrum should change throughout the entire grow. Not just veg and flower. Ex: adding 450nm last week or so of flower to increase terp or to slow stretch if desired.
Doors are normally open. But that's a good idea though. I only have the veg light running right now 250w cree 3590's for now. Working on the flowering light. 4-Cxm 3000k 90cri@1.112A, 4-Cxm 3500k 90cri@1.112A, 4 10w 450nm, 4 10w 630nm, 6 10w 660nm, 2 10w 385nm, 1 18" reptile florescent tube and...