Question about lighting during flowering

Discussion in 'Growing Marijuana Indoors' started by Denargle, Jan 28, 2011.

  1. I'm getting ready to switch my plants over to 12/12 sometime in the next couple weeks when i switch them to 12/12 should i change to hps right away or should i change it later down the road?
     
  2. Right away. You want your plants to think it's fall and the hps will simulate that combined with shorter days (12/12) will induce flowering.
     

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