Benefit, I like it and it helped me kick my 12 pack of Mt. Dew a day habit. I now drink no soda. Goes great with food, wonderful with espresso, and is downright refreshing. Disadvantages is that it is expensive if you buy it, but I make my own. Cost me about $0.01 more per 2 liter than tap water. I need to commission you to build me one Sean. Not having to haul it would be heaven Uber easy if you aren't hiding it in the basement and piping it upstairs. Even then, I just sweat copper pipe together. If necessary and people want to move forward, I will put a how to guide on HAF. Do et.