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18) How does temp variables affect plant growth
 YOU ARE HERE : Advice Home / FAQs / 18) How does temp variables affect plant growth 

Q: You have mentioned many times before that during the dark period the temperature in the grow room should be lower than during the lights-on period. My problem is that I run my lights from 9:00 PM to 9:00 AM for safety and security reasons. When the lights go out at 9:00 AM the temperature will usually rise to the same temperature of the room during the lights-on period, sometimes higher. The temperature during the dark period only falls lower during the last 3-4 hours of the dark cycle. Will this severely affect the quality of my buds?

A:No. It won't affect the quality very much. It is more of final tweak kind of thing. Your plants can still be good if everything else is good to go. But you should be wary of stagnant air if your room is closed at night. Stagnant air as low as the upper 70's to low 80's coupled with high humidity levels can lead to budrot in larger buds and colas.The tip you are referring to is to lower the nighttime temperatures during the flowering stage (moreso towards the end, within the last few weeks and during ripening). A sharp difference between day and nightime temperature will not only increase potency, but also speed up ripening.

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