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  1. M

    Noise control advice

    how about a silencer on the exhaust vent
  2. M

    So how many people use CO2 on their grows, and whats the results like?

    i use co2 in a 1.2 by 1.2 sealed room 7 seconds every 4 mins with no extract fan . it has almost given me between 30 and 40 percent more sticky green stuff. yes it did pay fer itself . i gave co2 about one third way into flowering up to when i stopped my nutes . well worth the effort
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