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best light spectrum for growing

Discussion in 'Apprentice Marijuana Consumption' started by darksoulwandering, Dec 16, 2012.

  1. would 450nm blue light and 660nm red light spectrums be enough to promote good growth and flowering for growing indoor plants?
     
  2. go to the growing section.
     
  3. I would ask this question in the growing section
     

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