Gmanx : 'Still' water? Is that like moonshine, or stagnant from the pond? As a connoisseur of sugar-free drinks, I despise Crystal Light. However, they do make a nice lemonade. Even so, the Wal-Mart knock off of the same flavor is an ass-kicker on the scale of acidity. It's harsh, like those Ice Breakers sour mints I'm…