Hi co2beerpong,
The best thing to do for the foam and the freshness of your beer is to get the temp down. After much research I found one temperature was recommended over and over-- 38 degrees is the magic number for the temp and 15 psi for pressure. My foam issues were caused by too big of a line and a faulty regulator. Once I replaced the two, she pours pretty decent. My first beer for the evening is still really foamy, but after you get that out of the way, life is pretty good.
I had another issue after a few months where the evaporator fan went out on me. The cooler was still working but the fan that circulates the air through the kegerator and the tower was not working. That keg went bad in about 3 days without the circulation.
Work on the temp before you start doing anything else.
Shawn
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