What's more important: ventilation or temperature?

avemaly
avemalystarted grow question 6y ago
I had perfect temperature of 27°C(81°F) without ventilation. With fans, ventilation is ideal, but temperature dropped to 22°C(71.6°F). Before I'll make more temperature there, should I turn off ventilation or leave it?
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Week 3
Setup. Ventilation
Setup. Other
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CRiSPrGrow
CRiSPrGrowanswered grow question 6y ago
always always have ventilation, without that you are garanteed to get mold during flower. 22 is actually perfect. You know most of these cannabis genetics come from the mountains in thailand, and it never really gets more than 27 in the summer, in the morning it's cold and humid , you're better at 22 than at 27, 24 is ideal, hope this helps ! 🚀
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The_420
The_420answered grow question 6y ago
Hello, if you have a timer I recommend plugging the fan into the timer and turning it on for 30 minutes then off for 30 minutes. If you don't have a timer, they aren't very expensive and it will solve your problem.
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labifle
labifleanswered grow question 6y ago
Hey there, gardener! It's not easy to choose between the perfect temperature and good ventilation, but you should definitely plug your ventilation into a timer to have at least half the time with air circulation because even though it doesn't matter much during the growth stage, in flowering you need good ventilation; otherwise, you'll get mold and rot. Good luck to you, bella ciao!
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ijustdontgiveaf
ijustdontgiveafanswered grow question 6y ago
22 degrees C is fine as well.. make sure that the fans are on, because the plants take up co2 and release oxygen - that's photosynthesis and how they feed.. if there's not enough air-circulation, the oxygen around the leaves isn't removed and the co2 can't be easily picked up by the plant..
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MadeInGermany
MadeInGermanyanswered grow question 6y ago
Hey the fan should always run :-) not only because of smell, but the old is exchanged for fresh air :-) your plants love oxygen. You look very good 🙏🏻
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