• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

What is humidity?

a senile fungus

Well-Known Member
What
Humidity is the level of evaporated moisture in the air.
Which makes it feel hot?

Humidity is the amount of water vapor in the air. Relative humidity is a ratio between the amount of water vapor in the air and the total capacity of water vapor that the air can hold at its current temperature and pressure.

A higher humidity will usually feel hotter, yes. But that is because the way that our bodies cool themselves off is dependent upon the evaporating of sweat off the surface of our skin and thereby removing heat with the evaporated water. If the relative humidity content of the room is higher than average, then the sweat can't evaporate off of our bodies, and we feel hotter.


That's all I got man. Any more and I'd have to Google it for you. Google made this post possible because if it wasn't for their dictation software then I wouldn't have even bothered to answer, lol.
 

cannabisweedPotNerd

Well-Known Member
The reason why you keep low humidity is that the water you give plants won't evaporate faster? You can keep humidity done with fan? So it feels cold so heat from light won't kill them?
 

a senile fungus

Well-Known Member
The reason why you keep low humidity is that the water you give plants won't evaporate faster? You can keep humidity done with fan? So it feels cold so heat from light won't kill them?
Humidity is how much water is in the air. Temperature is how hot or cold the air is. They are two separate things. Just because air is dry does not make it colder, temperature and humidity are two separate things.

Low humidity will cause the pots to dry out faster, and for the stomata to close to reduce transpiration. High humidity will reduce the ability of a plant to transpire. Obviously temperature, pressure, and light density all also play major roles.

As long as the humidity in your home is not too high or too low then you should be just fine moving air through your grow space.

You want to keep the temperature and humidity within the proper range while at the same time moving enough air to sufficiently cool the plants so that you don't bake them with the light.

Make sense?



Also, please try to write more words or explain or describe your questions and misunderstandings better. It makes it very difficult to read what you're asking or saying. It literally took me 30 minutes to figure out how to answer you, lol

I hope all of this helps you in some way...
 

brimck325

Well-Known Member
temps change humidity as heat expands things, like air, cold condenses air. therefor the same amount of vapor in the air can be different humidity.
 
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