Re: Length of Grow Light Use
If your goal is just to 'sustain' the plants until next spring, I think 7 hours will be adequate. I use 8 to 10 hours but I have a 300w LED light that covers a 4'x4' area in my basement. I may get a few new leaves over winter, but that isn't my focus. Nothing compares to full sun and the warmth of summer.
Good luck!
Erik
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