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Question about humidity at night

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Question about humidity at night

stevec217 5 Replies 1,475 Views
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stevec217

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Good morning all. I'm on my first grow, just about a month in from setup, everything was planted or cloned around the same time but still kind of a freak show in here.

6 am I wake up and my humidity is spiking pretty good. Still have within VPD range for early life (.07 lights off) Humidity sensor set to 72% high and my fan runs on high to keep it below that 72. I have a 4 inch currently, switching to 6 inch when it gets delivered. Is 72% too high for my plants at night? Daytime runs about 77 F and around 69-70% keeping VOD at 1.0kpa for less moisture in the tent. Pic is from 7:40 am after lights have come on and brought temp up from 65

Thanks in advance
 

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69% is ok at that stage.
I'm hitting 72% in the night cycle, I have the exhaust set to keep it below. Is 72 OK at night? I have 3 six inch fans also moving air... maybe overkill at this stage but mold is my enemy

Thanks for the response!
 
Ok cool. I'm hoping the bigger exhaust fan will help. Most likely in need of e dehumidifier soon. Thanks again

Where I live, in a couple months the temps start to drop and the humidididididity does too, then my basement goes to like 30%-50% humidididididididity.
 
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