PPM during growth stage

Discussion in 'First Time Marijuana Growers' started by Madmac, Dec 24, 2010.

  1. #1 Madmac, Dec 24, 2010
    Is PPM suppose to change during different stages of plant growth? If so, at what stages?

    Thanks
     
  2. #2 T51K, Dec 24, 2010
    i start at around 500 and work my way up to 900ppm
     
  3. #3 Madmac, Dec 24, 2010
    That's great but do I work my way up every two, three weeks?
     

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