$20 for 4L of water = $2.50 for 500ml, that's DAMN economical!
The best part of the Hulla stage at wemf was that it was like an island of Hulla, seperate from the rest of the party. All the hulla folk would basically hang out there all weekend. That, and the fact that our stage kicked ass. We spared no expense and it was always one of the top stages.