Edited sentence: However, since Penta water has proven that it is different, both in physical and biological properties, it is now incumbent on the skeptics to prove them wrong.One 'endorsement' that is difficult to argue against is that every day thousands of people spend an average of $35 for a case of 24 - 1/2 liter bottles of Penta water.They could get the same amount of water for $5.Why would someone do this unless they felt something different because of the Penta water