negative pressure

  1. B

    Using only exhaust fan for ventilation

    Has anyone ever used just their exhaust fan only in a tent and used the negative pressure to bring air through the canopy and not have to use any extra fans inside doing the work and have no problems?
  2. SpawnOfVader

    CUSTOM PVC FRAME A.K.A. Topolite 4x4 - DON'T BUY

    Should have taken before pics but the negative pressure during a single grow was enough to bend the poles inward. SUPER CHEAP TENT (under $100 on amazon)... I'm cheap so instead of buying a new tent I just built a frame out of 3/4 inch PVC. It actually fit! The extra cross bars are to...
  3. B

    The smell is invading...HELP!

    So I have a 165cfm active air inline fan with a can lite 4" carbon filter in a bedroom closet(6' x3')with a diy fabric door kinda like a tent would have. My intake has air forced in by a make shift vent coming from a window AC unit. I have negative pressure cause it will suck the door closed...
  4. SkepticalFarmer

    Anyone used this? (Advice needed)

    Hello all, Does anyone have any experience with the GSE Temperature, Humidity and Negative Pressure Control? I have 2 RVK fans (in & out) and wanted to know if this gear is compatible with this type of fan. What are some positive and negative experiences you’ve had with this kit? As I’m looking...
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