You sure you don't mean duvel? <img src="/ubbthreads/images/graemlins/winkwink.gif" alt="" />
@Jurak. That's not true. Even tap water is different everywhere. In some places you shouldn't even drink it. <img src="/ubbthreads/images/graemlins/eek.gif" alt="" /> The idea is simply to get about two liters of water in and through your body a day.