In fact the var range is -999999.999 to +999999.999, i.e. 10 times as high.
No offense but in general I would like to see less frequent posts here, one post per day per user is more than enough I think and adding a default water shader is not so huge.
If people want to post more about their project I encourage them to open a thread in this projects forum, so it feels more alive and this thread stays a little organized. Just my personal opinion, of course.
"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual