exaust fan

rolljoeroll

Active Member
Do you guys leave your exhaust fan on 24/7? I am new to this and had mine on with my light timer but just recently started having high humidity problems during lights out.
 

Owly

Member
Some setups work with it just on with the lights, but having it venting for 2 hours after lights out will help a lot with that humidity spike. 24/7 works for people too, but there isn't much need in most cases.
 

Fag paper

Member
Do you guys leave your exhaust fan on 24/7? I am new to this and had mine on with my light timer but just recently started having high humidity problems during lights out.
i will leave it on for about a hour after lights go off in veg just to get some of the extra heat out that builds up. and leave my tower fan on but once am in flower i always leave it on 24/7 hope this helps
 

sponge

Well-Known Member
24/7 for me. I have passive intake for a closet flowering room. The exhaust fan cycles fresh air, regulates temperature in both winter(keeps it warm) and summer(keeps it cool), keeps humidity down and constantly filters out smell to keep it from permeating cracks and holes. It gets DANK in there if I shut it off even for a few hours, as soon as I open the door the stank bellows out.
 

visajoe1

Well-Known Member
24/7. passive intake too like @sponge. I just turn it down when i got to bed, so it doesnt sound like a jet engine taking off as i try to sleep
 
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