for the hygrometer users...

grower215

grower215

Active Member
when curing your buds in a mason jar with a hygrometer, at what rh % do you usually "burp" at? and at what rh % can you leave them closed without worrying about "burping" them...
thanks:blsmoke:
 
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Edgar9

Well-Known Member
You first need to find the RH in the empty mason jar. I had a RH of 64% in an empty mason jar. If it's 64% in an empty jar you're not going to get it below that. For me once things got to 67% overnight in a jar of buds I said that's good b/c they really seemed dry. I didn't burp for 6 weeks. At 6 weeks I transferred into a smaller jar and was good to go with just a once in a while check/RAID of the jar, just a quick open, sniff, raid and close.
 
cues

cues

Well-Known Member
I aim to start to cure at 65%, then burp daily down to 60. Then every few days down to 55 then store long term.
An accurate meter is important. They are notoriously bad. You can calibrate them easily yourself with the wet salt method.
 
grower215

grower215

Active Member
cues said:
I aim to start to cure at 65%, then burp daily down to 60. Then every few days down to 55 then store long term.
An accurate meter is important. They are notoriously bad. You can calibrate them easily yourself with the wet salt method.
Click to expand...
i have a couple of the caliber iii hygrometers... they say they dont need to be calibrated
 
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Edgar9

Well-Known Member
I can't get the rh in an empty jar below 64% in my environment. With that being the case I was satisfied with a rh of 67% for long term storage of a jar of buds. I worked for me.

So to answer your question: 67%
 
BigLittlejohn

BigLittlejohn

Well-Known Member
Not to repeat what everyone else just said, but once I am between 55-58% I feel comfortable not burping and don't worry about mold. Of course I pretty much open my jars to get a whiff of the goodness...
 
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growone

Well-Known Member
i've actually pushed the envelope, have had 71-72%(caliber III) in my jars for a few weeks
also long run periods in the 65%+ zone, no mold yet and great results
 
catmando

catmando

Well-Known Member
^^its not really calibrating with salt, unless your hygro has a calibration feature.

you get a small bottle cap like a beer cap and fill it with salt, then wet all the salt(dont soak it, just dampen it) and put it in a mason jar with a hygro also. the humidity should read 75%, so if your hygro says differently then you can add/subtract the difference.
 
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Edgar9

Well-Known Member
That's why I like my Xikar. You can calibrate it whenever you want.

To sum up the salt question in simple terms: When salt reacts with water in a closed environment the resulting Relative Humidity will always be 75%. It's science. The slurry should be like wet sand.

The bottle cap test described above is how you do it. The only difference is if your hygrometer has a calibration button you would use a plastic bag so you can press the button while the meter is in the bag.
 
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