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I've been having this problem intermittently lately. I'll go to pour and I'll get a ton of foam. When I open my kegerator I can see the beer line has filled with co2. Or at least half of it. I'll pour a glass and the line will immediately start filling with tiny bubbles, eventually they pool together and form an air gap. Leading to foamy, undercarbed beer.

The only fix I've found is to let the beer line drop as low as possible, then tap the line to move all the bubbles near the tap. I then pour until the air is gone and repeat until it stops. This does usually solve the problem, but it obviously a huge waste of beer! Does anyone know how to prevent this? Or has it happened to anyone before?

I'm fairly new to kegging so it could just be something stupid I'm doing, or not for that matter.



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Your beer lines are getting warm(er) and the CO2 is coming out of solution. Try to find a way to keep them as cool as your keg such as air circulation, routing your lines better, or bundling them together (or all of the above).

RubberToe wrote:Your beer lines are getting warm(er) and the CO2 is coming out of solution. Try to find a way to keep them as cool as your keg such as air circulation, routing your lines better, or bundling them together (or all of the above).

Thanks! I'll try all of those. I should mention I previously had my beer line coiled neatly and placed on top of each keg. But I had this issue come up, which is when I tried just letting them dangle.

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Yeah, there could be stratification of the air temperature. I have all my lines zip tied together in one big trunk and a small fan for air circulation, it helps a lot.

RubberToe wrote:Yeah, there could be stratification of the air temperature. I have all my lines zip tied together in one big trunk and a small fan for air circulation, it helps a lot.

Where do you place your coiled lines? Alongside the keg, on top?

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Because of the limited space in my keezer they go around the side of the collar / above the kegs. If you have room to run them down near a keg it can help but also make sure they don't freeze if jammed on the side by a cooling line.