Alright so i decided what the hell im growing with 2700k for veg i might as well try the yeast idea for CO2. So i mixed up 3/4 cup sugar with 1 packet of yeast in a water bottle with a hole in the top and a straw fit snug into with the straw like 1/4-1/2 inch above the top of the plant. Ill see if i get any MAJOR increase in growth maybe 2700k+CO2 is key for awesome veg