Run ventilation fan for how long?

DrGreenFinger

Well-Known Member
Should the ventilation system run for 24 hrs? I am flowering and have mine set up to turn on and off one half hour before and after the 1000 watt hps.
 

entropic

Well-Known Member
24/7. Unless you're using large squirrel cage fans ventilation should be the cheapest component to keep running all the time and it's worth it.
 
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