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Reduce air in storage jar.
oldwood
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Posted on 05/13/2025 1:11 PM
I have been using the glass jars with bamboo lids with a silicone seal, but was concerned about the amount of air in the jar. I trimmed the outside of the lid so it will slide down inside the jar and also added a handle to the lid, and drilled a hole in the lid that will accept a one way valve I cut out of coffee bean bags. I have a lot of empty coffee bean bags ;) I use another lid on top, so I have a double seal.

I keep the beans in a vacuum container until I put them in these jars for use.
oldwood attached the following images:
valve_in_lid.jpg lid_inside_jar.jpg
 
Mike_Mathis
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Posted on 05/14/2025 10:51 PM
Basically a homemade Airscape. Nothing wrong with that. Once again, coffee making those brain cells sparkle.
Kaffelogic Nano 7
Skywalker V1
2023 BC-2
 
oldwood
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Posted on 05/15/2025 10:04 AM
The Airscape was the inspiration for this, for sure. The Airscape is $60.00 in Canada and this was a quick modification of a $6.00 jar so although it does not have all the features it is close enough.
 
Mike_Mathis
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Posted on 05/16/2025 12:23 PM
I applaud your resourcefulness.
Kaffelogic Nano 7
Skywalker V1
2023 BC-2
 
OldMan41
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Posted on 05/18/2025 3:27 PM
I'm lost.
I buy 30-50LBS of beans.
I put them in 5L glass hinged air tight jars.
Is that wrong?
 
renatoa
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Posted on 05/19/2025 1:44 AM
For greens nothing wrong, for roasts ... never experienced an attempt to "take-off" the lid when first opening?

Here pro roasters are storing roasted beans some days, before packing, in suck containers, with vent hole, (not unidirectional valve):
https://www.dosen...5r.en.html
They demonstrated me the behavior of the lid for a canister with vent hole intentionally closed, the lid jumped up some 2-3 cm, with a characteristic depressurization sound, of air escape.
 
oldwood
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Posted on 05/19/2025 9:36 AM

Quote

OldMan41 wrote:

I'm lost.
I buy 30-50LBS of beans.
I put them in 5L glass hinged air tight jars.
Is that wrong?


I use these for roasted beans. For green, I just keep them airtight and in a cool, dark location.
 
renatoa
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Posted on 06/02/2025 9:59 AM
https://coffeacir...ages/guide

Go bottom of page, expand Packaging. Long story: a big No for the valves.
 
Mike_Mathis
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Posted on 06/22/2025 12:03 AM
Interesting take on storing roasted beans. I do both. I store in Mason jars with what are supposed to be one -way valves in the lids, but I also use quart-size freezer bags that I burp as necessary to prevent swelling of the bags. Most bags will puff up some on the first day or two, then settle down to merely having a slight vapor space. I usually leave them alone at this point until I open for grinding. The person writing the article confessed to being somewhat on an island with their storage strategy/philosophy.
Kaffelogic Nano 7
Skywalker V1
2023 BC-2
 
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