Any imfo from the growers;;; is there a time limit that you run your fans? Do you let them go for 24 hours or vary tie times they run. thanks to all
Exhaust fans or circulating fans ?
Sorry, circulating fans. thanks
24/7 I think most do . Keep that air moving 
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24/7 nobody ain’t got no time fo’ mold!
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Thanks to all for their wisdom and experience. This hit is for you.
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Yup I run my fans 24/7…no breaks while plants are growing.
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I am as well 
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All mine are on 24/7.
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Same here, 24/7. Keep that air moving, my exhaust is running half throttle 24/7 as well 
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Damn. I must be overkilling it again. I have an intake to my tent, bringing fresh air from an adjoining room (6" flexi-duct hooked to 8" inline fan), 2-6" clip on oscillating fans, an 8" fan for my carbon filter and a 6" inline fan exhausting warm air from grow room into my basement stairwell and they all run 24/7
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24/7 and I have 3 fans in my 3x3, a small one on my drying tent and a one in my 2x2. Exhaust fans are 24/7 also or the dankness escapes and fills the hood with the pleasant smell of cannabis.
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+1 for 24/7. Helps manage CO2, temps, humidity, a good breeze across your plants builds strong stalks/stems, and good air circulation mitigates mold and the like.
I try to have the air in my tent replaced at least once per minute.
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