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  1. F

    Please help this newb

    I know you want it to reach 1500ppm's that's not what I'm asking. In asking what to set the regulator at to achieve 1500ppm's given the factors of using an exhaust fan that is rated 720cfm's
  2. F

    Please help this newb

    Hey guys, I am trying to figure out what to set my co2 regulator at, my room is 15'x11'x8.5' I have one fan drawing air out at its an 8" 720CFM fan, other than that the only air Going out is from the space under the door, and the air intake is from a 12,00btu airconditioner. I'm trying to...
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