It gives the plant that natural cycle, there is no scientific evidence this helps anything in cannabis, as 24/0 seems to produce more growth. I always veg under 24 hour light. some plants need dark to do things, but cannabis is not one of them.
llamaman666 Reviewed by llamaman666 on . 24/7 vs 18/6 Besides electrical cost, what are the benefits to a 18/6 light cycle as opposed to 24/7 constant light? I was always under the impression that more light = more growth = more buds... why rob the plant of 6 hours of light? Rating: 5