This year I have two fluorescent shop lights which I kept touching the leaves the whole time(plus constant fan directly on the plants, and I have the healthiest transplants ever before. These are in 1gallon pots and just moved outside at nearly a foot tall with beautiful broad leaves and tight internodes. Back in the day I used the big HOT metal halides and HPS for other things, and even then you don't need something so strong unless you plan on growing full size plants.
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Vince
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