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  1. J

    do c02 levels need to come down during night hours (while flowering)

    im asking if the c02 will hurt the flowering at night... i want my veg plants to grow as fast as possible!
  2. J

    do c02 levels need to come down during night hours (while flowering)

    I'm running a setup in a garage where i have a large tent for vegging and use the rest of the garage's open space with no tents for flowering, with a c02 propane generator. i'm wondering if i should have the c02 sensor be located inside the the tent (so that c02 levels remain constant 24 hours...
  3. J

    does my window ac unit replenish air (do i need to add c02?) closed system

    I'm wondering if my window ac unit will bring any fresh air (c02) into my grow room or if I need to add c02 to it ---- im using 2 rooms. 1 for vegging with low cost cfls/ hydro / no water chillers and a 12k btu ac. then 1 for flowering thath as water chillers, 24k btu ac, and c02 in liquid...
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