Dirtbag
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I hang my lamps about 2' over the canopy and go full 1000w asap. Takes me about 1 week of slowly increasing light from 3' away @ 400w-600w-1000w and then dropping it down to 2'. If you think about it peak sun is from around June 21 through the dog days of summer, right when plants are vegging like crazy. So I shoot for max light intensity as soon as the plants can handle it for the fastest veg growth.
And I hang my lamps vertically with parabolic reflectors so very little radiant heat gets directed down to the plants, but i still get about 40,000 lux with leaf temps in the mid 70's
And I hang my lamps vertically with parabolic reflectors so very little radiant heat gets directed down to the plants, but i still get about 40,000 lux with leaf temps in the mid 70's