Light cycle

I was wondering, what is the best light cycle during the vegetative stage, 18/6 or 24/0?
Poundsta
Seattle, Washington

Marijuana plants continue to photosynthesize as long as there is light and their other needs are met. They do not need a rest period. Turning the light off for 25% of the day decreases growth rate by 25%. This is actually costly because it requires the plants to spend a longer time in the vegetative stage.

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