Hey everyone!
is there a specific stage of growing that ventilation should begin running, or do I just turn it on at seedling and let it constantly go, adjusting for climate parameters?
I am running a 6inch filter and fan in a 4x2 tent.
thanks!
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When the plants are seedlings, they won't intake as much CO2 as they will when they are bigger with more foliage. You can get away with a small fan to circulate the air and change the air in the space 1-2 times a day. But when the plants grow up, changing the air more frequently is a must or else you'll encounter slow growth. Many growers just leave their fan on 24/7 as long as their temperature and humidity are good.
https://www.mrgrowit.com/forum/main/comment/609dc06b1deb3700153efecf ...there are a couple of comments here...use the search blank top right for temp/humidity and you will get a link to MR. GI' chart from his book- or lots of answers to this-
hope it helps