Co2

Discussion in 'Hydroponic Growing' started by maryjanedeville, Aug 11, 2011.

  1. Hey I got a 12 light set up with 108 plants how much co2 should I be pumping ppm?
     
  2. 1500 ppm. dont go over 1700 it gets bad for the plants after that
     
  3. Cool cool thanks
     

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