How far should lights be?

Discussion in 'Growing Marijuana Indoors' started by penniwisdom, Sep 25, 2007.

  1. I am like 2-3 weeks into flowering on one plant. How far above the plant should my 400w be ? It was outside all summer and has been cold lately so we are trying to get it to finish up inside. Thanks
     
  2. Works for my 150 hp,
     

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  3. I planted a humbolt amythist seed in May and vegged chasing the light from window to window and put her outside when i could and topped and cloned a bunch. Then I hung a 400 hps and kept lowering the plant as it grew keeping it about 18 inches from the top. She gave me about an oz and 1/2. Now I just veg clones till they are about 1 ft then just set them on the floor onder the 400 to bud. I think the 400 is about 4-5 ft high and I seem to be producing bigger buds. hmmmmmmm
     

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