Posted 4/29/2012 10:55 (#2359480 - in reply to #2359405) Subject: RE: Fighting my foam marker
I had this same problem once. Found out the jug of foamer had been left out in freezing temperatures and had caused the foamer to go bad. I don't think it actually froze but the lower temp. ruined it some how. Bought a new jug and all was well!