oscillating fan 27/7 when flowering?

R

Raquinotj

Active Member
I keep my oscillating fans 24/7, as indoor growers we do things to minic nature or improve on it and in nature there is always wind, therefore I run my oscillating fans 24/7, also for small spaces it helps cut down on any mold issues and keeps airflow moving..
 
vitalsine

vitalsine

Well-Known Member
Keep that air movin. Above and below the canopy if you can. I run 4 8" oscillating fans in my 5'x5' as well as an 8-inch exhaust. Lots of airflow is good, screw mold!
 
GrassBurner

GrassBurner

Well-Known Member
I run my exhaust fan 1 hour before and after lights on, the whole time lights are on, and it comes on for an hour twice during lights out. Ive got a 20" box fan in the ceiling blowing down, and a small tower fan horizontally blowing from through the canopy, and they are on 24/7.
 
vitalsine

vitalsine

Well-Known Member
GrassBurner said:
I run my exhaust fan 1 hour before and after lights on, the whole time lights are on, and it comes on for an hour twice during lights out. Ive got a 20" box fan in the ceiling blowing down, and a small tower fan horizontally blowing from through the canopy, and they are on 24/7.
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Ultimately as long as your humidity is in check you should be fine. I run all fans 24/7, including the exhaust.
 
Rezin

Rezin

Well-Known Member
I run all fans 24/7 .... they also last longer. If they are constantly on and off eventually they burn out. I had an exhaust fan on for 7 years straight. Turned it off when I moved. now it’s my back up.
 
KootenayDIY

KootenayDIY

Well-Known Member
Constantly running all fans and exhaust. I need positive pressure to keep the smell from destroying my relationship lol. No issues other than low humidity
 
S

Stoned Whale

Active Member
100% keep them on all the time.

Reduces cold / hot spots and massively helps with preventing bud rot even in high humidity situations.

Humidity typically has a little bit of a peak just after lights off!
 
Moldy

Moldy

Well-Known Member
I don't have humidity (20% RH) but run fans 24/7 for PM and/or spider mites. Also for heat stress keeping the canopy cool.
 
StareCase

StareCase

Well-Known Member
Thcmbuna said:
... Nope ...
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Yeah ... I tried that with my first indoor crop too.

They looked fine until that one morning when they didn't. Tons of dreaded grey mold everywhere - and 14 weeks down the crapper.

Like Moldy recommends - run them circulation and exhaust fans 24/7.
 
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