I also use the Stirwands as they are the ONLY clinically proven method of providing therapeutic levels of hydration, oxygenation, and detoxification. (www.hydrationwands.com)
Cellular hydration can only occur if the water we consume is in single-water-molecule form. This is Nobel Science (http://nobelprize.org/nobel_prizes/chemistry/laureates/2003/public.html) and has undergone over 2 decades of scientific scrutiny.
This is the Science I trust. I truly don't understand the "structured water" theories. Any ideas on how it would increase hydration?
I agree also that "stirred", distilled water, with a good ionic mineral supplement is probably the best choice for us to drink.