Co2 help!!??

Discussion in 'First Time Marijuana Growers' started by psychomando, Aug 5, 2011.

  1. do u only give Co2 when the lights are on or 24/7.
     
  2. CO2 can be given at anytime. Unless your grow is pretty enclosed though its not that effective. You have to displace the existing atmosphere to get solid results from CO2 injection.
     

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