flowering under 6400k

it is possible to flower under CFL105w 6400k?

specialtrippin said:

it is possible to flower under CFL105w 6400k?

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That will be a pretty big plant in flower. I don't think 105w is enough, actually it might not be enough now. You really want to flower in the red spectrum (2700k) for the best results in flowering. Blue light helps give you dense foliage and red light helps give you thick stems to support stems on and resin.

It's possible, but for best results use a mixed spectrum or red spectrum for flowering, mixed spectrum does better than one alone in my experiences. So that's what i reccommend.

thanks for help

Since autoflowers are auto-flowering, would lighting in the 6500k range be better for seedlings and sprouts for the first 3 weeks and then switch to lower K rating like 2700. As for you, I don't think that's enough watts and the kelvin rating should be around 2700 or something. Id rig up at least 500 watts of output of 2700K (red light spectrum) for flowering. My setup is running about 450 for a little closet grow at 6500K and later I will switch the bulbs to about 650 watt output at 2700K when my girls look fine. I'm attempting an autoflower closet grow.