I asked about this the other day. Here is why Smartwater may be a viable alternative. If, in fact it is "distilled" that meets one criterion. The other is that if you are traveling, Smartwater can be purchased in most U.S. airports after you clear TSA. It also comes in sizes which are much more conv...

I just started to use a CPAP machine last week and had to travel this week. My machine requires that I use distilled water. I wonder how others cope with this issue as I had to find a store that sold distilled water and the smallest amount I could purchase was gallon. This seems wasteful as I am onl...