I say its just condensation on the glass and the white spots could be where the water dried and left minerals. I say there is nothing to worry about, i see that when i made some apfelwein myself
-I do not have a drinking problem. Unless I'm out of beer...
-Any pizza is a personal pizza if you try hard enough
President of the 'A friendly place for friends who drink' Thread
Twitter: @dcp006 - Ambidextrous Drinker