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Old 01-10-2012, 09:11 PM   #11
May 2011
Stow, MA
Posts: 19,292
Liked 3477 Times on 2589 Posts

The lid on a good keg will seal fine without pressure, and a less than perfect keg can be encouraged to seal as well, without using CO2: grease up the lid o-ring on all sides, put the lid in place, then stick dimes under the lid closure feet as you lock the lid.

The dimes will add enough pressure to put the same squish on the gasket that CO2 would provide...


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Old 01-11-2012, 01:01 AM   #12
May 2011
Escondido, CA
Posts: 135
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Dimes? Damn, I've got a leaker at home I'll try that on tonight. Oh, and on the subject of keg lube, try the vegetable shortening (previously lard long ago?) Crisco.

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Old 01-11-2012, 01:51 AM   #13
Mar 2010
Charlotte, NC
Posts: 3,336
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Originally Posted by Bobby_M View Post
Some kegs happen to seal better than others. I'd strongly recommend using a silicone lid gasket and use keg lube to ensure a seal without having to use a burst of CO2 to seat the lid.
That is an excellent suggestion.

I did a writeup on the issue some time ago. I believe it is an issue with used kegs that have suffered some abuse.


You might want to take a look at my writeup on the issues:

Keg Lid Geometry & Adjustment

I really hope that it helps you.


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Old 01-11-2012, 12:30 PM   #14
Feb 2009
Washington, DC
Posts: 72
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People naturally carbonate in kegs for real ales, so kegs can seal without the initial burst of co2. It will take longer to carb and ensuring a tight seal to start takes some extra work. Keg lube and the dime idea are good ways to get a tight seal before the carbonation pressure takes hold.

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