Correct temp humidity ?

Discussion in 'Growing Marijuana Indoors' started by Yesyes3000, Jul 2, 2019.

  1. Hi I’m wondering what is the proper temperature and humidity for a veg and flower tents ? The one in mind is 2.5 ft by 3 ft and 5.5ft tall.

    Is 4 quantum board 132 V2 big enough for such a space ?
     
  2. 25c too 28 veg hum. 50-60 flower. 40-50hum. same temps
     
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  3. Much research has been done on this for other plants, and the results of that research are summarized in the Vapor Pressure Deficit chart. I follow it religiously, even during flower in hydroponics without the bud rot everyone warns against. Subtract about 6 F from air temp to get leaf temp, then stay in the green. I trust this chart much more than StonerWisdom.
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  4. Yeah the VPD chart is great to follow but if you growing ultra stinky weed where you could get in trouble if other people begin to smell the weed you are growing it would better if you focus all energy on getting your grow room temps down to 72F to 74F and your RH down to 60% because if your RH goes above 60% your carbon filters effectiveness, (to absorb smelly molecules efficiently), begins to degrade rapidly. For example... a carbon filter processing air in its correct CFM range containing 65% RH is only 44% - 47% effective at trapping and eliminating smelly molecules, (particles)!
     
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