Quote:
Originally Posted by larryhoy
Had the exact same problem, chased it for a long time. I did two things, one of which worked. I'm not sure which, because they happened at the same time. I switched from Miller Draft to a 'winter' beer, Dundee Honey Brown; and I lowered my CO2 pressure to about 5 lbs. No foam. I will be increasing the pressure over time to see if the problem is CO2 pressure related (which is what I suspect).
After you draw a beer take a look at your beer line. Do you see a small string of bubbles coming from the keg coupler? Do they create an air pocket/bubble in the line? That was happening to my system, it isn't any more.
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DO NOT DO THIS.
Never adjust your CO2 pressure for foam issues. Calculate what your CO2 pressure should be for the beer you're serving and the temperature it's at (and compensate for altitude above sea level). Then stick with it! If you have foam issues and your temperature and pressure are right (make sure temp is right by measuring the temperature of the 2nd beer your pour)
If you do what this guy did you will eventually end up with half a keg of flat beer.