veg room temp to high,how to correct this?

Discussion in 'Growing Marijuana Indoors' started by cns17, May 11, 2011.

  1. My veg is a 5x4 foot half room. I have a scruber with a 171 fungi fan pushing past my 400 MH and out of the room. Temps stay between 68 at night and 77 during the day. The lights are 20-4.
    Because summer is around the corner,temps seem to want to rise. I have a 12 inch fan in the room also but the past few days my temps are hitting 81 during the day. I want to take them back to 77 but not sure how to go about this.

    A. put another fan in the room,I think that doing this will just turn the hot air even more?
    B. take the 171 fan out and put in a 400 to push out the hot air faster off the 400 mh?

    Any ideas would be great. I can't put in ac because lack of room.
  2. 81 is fine
  3. ok but my question was how what should I do to bring it down. It's spring,by summer it will be roasting inside the little room.


  4. Good idea to have a thought about the summer rising temps.

    I lost 5 C from fan extraction to the outside, on 2 points, the roof and a side. was between 29/30 C and now I'm at 22/25 C.

    More ventilation in the room only makes the heat loop around.

    There are expensive stuff too, in the 300 up to 1200 $ range.


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