IIIIROBIIIII
Member
Whats the best temps and humidity i should be aiming for during flower just noticed the first white hairs on my plant
Temps and humidity during flower??
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Grow So High
Well-Known Member
If you are using an LED 80-85F if you are using a bulb 72-80.... RH in flower below 50 ideally 30-40. Keep in mind this can be a bit strain dependent too, Sativas tend to like a warmer climate.
Dontjudgeme
Well-Known Member
I stay between 75-80, anything above 80 isn’t good unless you’re using cO2. Humidity is more of a preference thing. Some people claim to achieve 60-65% during flower. As long as you have sufficient air flow humidity shouldn’t be a problem in the higher numbers. I stay at 50 myself ( preference ) until 3 weeks before harvest, then I drop it weekly till I get to 30 before the chop. My advice would be to get experiment and see what works for you. What works for some might not work for others.
mattman089
Well-Known Member
Just using a dehumidifier to lower? I cant get away from 60-65 to save my life. I have a lot of airflow going on but it still worries me to no end. Think it's ok?
I have a large dehumidifier that does a pretty good job at keeping it around low 50s where I like it but once the bucket fills up it just goes back. Definitely don't want RH fluctuations.
It is in a basement so it makes sense. Winter time it stays around 30 rh which is lovely during flower lol.
I could put a hose in my dehumidifier amd run it down the drain but don't want my electric bill going through the roof.
So long as you've got good airflow, the plants should be ok at that level. But yes, definitely a big dehumidifier in the room the tent is in will help.
I live on a lake at the bottom of a mountain range, and before two days ago, it rained heavy for a full week. That means a heck of a lot of humidity for me in my basement:
Normally, the basement humidity (bottom right of image) is around 60%. However, for the next week or so it'll be up near 80% even with a dehumidifier.
A good lollipopping, and the removal of many of the under-canopy leaves provide for good airflow. Thankfully, none of my plants are beyond four weeks of flower, so I don't have to worry about bud rot or mold at least.
Typically, I like 78F for my tents, and 60% humidity veg, 45-50% for flower. Mostly works out to 60% in veg, and 50-60% in flower.
mattman089
Well-Known Member
Thanks for the info. Wow that sucks for the major RH spike! Sounds scary lol.
I'll be at week 3 of flower this Friday. Think it would be a bad idea to do some mild manicuring. Did some pretty decent lollipopping before the flip along with manicuring and while it's not horrible in there it could possibly use a light trimming. Not sure though if it's worth the risk of doing some more trimming to create the extra airflow.
I like to keep mine around that range for both temp and humidity as well running Electric Sky 300 v2 in a 5 x 3 x 8 tent... Ive gotten to the point where I just leave it partially un zipped and keep it pitch black down there during the day. Sucks and isnt ideal but gotta do what ya gotta do I guess.
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