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Old 08-29-2010, 02:16 PM   #1
Benjibbad
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Default Air in my serving lines

How do I fix this? I am getting tired of all the foam.

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Old 08-29-2010, 02:20 PM   #2
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If there is air in your lines, you have a leak somewhere letting the air in. Make up a star san solution in a spray bottle and spray all your connections. Find the one that spits bubbles.

Is it all kegs? 1 keg out of many? what your reg pressure(s)?

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Old 08-29-2010, 02:33 PM   #3
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it is just in one of my kegs, normal pressure is 12 psi, but force carb at 35 psi for a few days then purge and reset to 12.

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Old 08-29-2010, 02:53 PM   #4
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I had foam in my beer lines and I discovered it was created by temperature differences between the top and bottom of my keezer. I put in a fan and the foam is GONE. I also put in a longer shank, so that might also have helped the problem.

Where does the foam tend to appear in the line?

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Old 08-29-2010, 03:23 PM   #5
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no foam in the line itself, just air bubbles. The first pint is all foam but the second one is perfect, if I let it sit for a few mins then I have to go through it again.

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Old 08-29-2010, 03:36 PM   #6
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That can also be due to temperature differences. When the cold beer hits the warm line or warm beer faucet you can get foam.

I could be wrong, but do you have a fan in your keezer? Sounds like the problem I had, although I could see some bubbles in the beer line, especially near the shank.

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Old 08-29-2010, 03:49 PM   #7
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I had the same issues twice. The first time I actually head a very small leak in the line and it sucked some air. I wasn't very successful detecting the issue with star san but used soap water instead. ONce the bubbles settle a bit from dripping the soap water on the different parts, you'll see easily where the problem is. The second time it was actually the difference between warm/cold as already mentioned above. Add a small computer fan and life is good

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