6 hours of darkness is not enough to allow flowering the plant would remain in a veg state if you used a 12/6 cycle, which really wouldnt be any different than 18/6 as the light will still be on for 18 hours per 24 hrs
bejay Reviewed by bejay on . Shorter 12/6 flower cycle Okay, anyone have EXPERIENCE with the shorter 12/6 flower day? Noone seems to know about it. Rating: 5