That pretty much exists already and is even sold through amazon.
https://www.amazon.com/Sunfood-Apricot-Kernels-Sweet-Organic...
Only the true elite can afford to flout death with "Raw Water" and the possible health consequences. It's like tanning beds for the 20-teens.
Do them a favor, laugh, and embarass them before they get sick.
I guess that's the problem? Not novelty enough? I suppose this is what happens when you start to worry too much about who/what touches what we ingest. We are almost full circle.
https://www.finishing.com/156/65.shtml
What is rain water? It is water distilled by the sun. Are there electrolytes in your spring water that you can't get by eating food... no.
Can you get enough electrolytes just from normal water (e.g. Total Dissolved Solids of 200ppm, not Gatorade) without food that will prevent you from dying of an electrolyte imbalance... no. Eventually, only drinking water will kill you for a variety of reasons (starvation), but you have so much salt already in your body that it will take weeks to kill you.
Unless you're talking about Gatorade or Brawndo, which of course has "what plants crave".