Have you ever wondered about light schedules?
Want to know how long a dark period should be?
Well, for autos & photoperiods (in veg) - there is no need for a dark period. If you want to check this to further detail (as in mind numbingly boring detail), just google, 'cannabis a c3 plant'
"Can I grow autos all through with no dark period?" - Yes
"Do they grow better with a few hours dark?" - No
..."But surely they need to, 'sleep', sometimes?" - No
"So when do I need a dark period then?" - When flowering Photoperiods (they need a dark period of roughly 12 hours (solid) out of 24 hours to flower)
"What happens if I reduce the dark period once flowering has started on my photoperiod plant"? - It will revert to veg stage
All that said, you may wish to introduce a dark period due to lighting costs, if so, try to not drop below an 18/6 regime
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