Humidity

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Herb potman

Well-Known Member
My tent with nothing on is 42% humidity. I heard once seedlings in and going I be lucky to get to 55%. But readings say I need to be around 70% at seedling phase How do I do so and do I need humidifier for tent ?
 
HydroKid239

HydroKid239

Well-Known Member
Herb potman said:
My tent with nothing on is 42% humidity. I heard once seedlings in and going I be lucky to get to 55%. But readings say I need to be around 70% at seedling phase How do I do so and do I need humidifier for tent ?
Click to expand...
Do you have any other house plants that you can add to the tent til you get a humidifier? More plants can raise humidity for you for the time being.
 
Rurumo

Rurumo

Well-Known Member
It doesn't really matter unless you have your grow dialed in for production. You can take a bucket and fill it 20% with water, then hang a few dishtowels into the water and drape them over the sides-your humidity will go up some, but not a lot since you should be venting your tent constantly. Imo, better too low than too high-you can live with too low humidity, but too high will ruin a crop if you're not lucky.
 
GeneBanker

GeneBanker

Well-Known Member
I’ve been growing for years in the dry AZ air. You will be ok. If your seedlings go into a red cup. You can buy clear cups and flip them upside down and spray the inside and edge of the cup and it will seal if you really want that humidity up. This is what I do for clones I cut off my cycle for friends or whatever and I don’t want to get my whole clone rig out and going.
 
H

Herb potman

Well-Known Member
GeneBanker said:
I’ve been growing for years in the dry AZ air. You will be ok. If your seedlings go into a red cup. You can buy clear cups and flip them upside down and spray the inside and edge of the cup and it will seal if you really want that humidity up. This is what I do for clones I cut off my cycle for friends or whatever and I don’t want to get my whole clone rig out and going.
Click to expand...
What your rh through different stages in your tent ?
 
GeneBanker

GeneBanker

Well-Known Member
I don’t grow in a tent anymore and since I’ve switched to leds I have no issues with humidity because I don’t have to cool 2k watts worth of hid. But they pretty much stayed 35% when I did. I just toned down the nutes so they didn’t draw as much up
 
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2com

Well-Known Member
Make a cheap diy ultrasonic fogger/humidifier.
Search the site for "diy humidifier" or similar. A 5gal tote/bucket and an atomizer, pretty cheap. Does a great job. Throw a cheap inkbird humidity controller with it and you've got a nice little humidifier.
 
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2com

Well-Known Member

JB's cheapo diy large capacity ultrasonic humidifier

I've built a few of these in the past as an alternative to store bought ultrasonic humidifiers. Even the smallest capacity models are around $35 - $50, but you can build your own, for way less, and with larger capacity reservoirs than most of them. For those who aren't familiar with ultrasonic...
rollitup.org

Skim this thread, for example.
 
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