@Allen Can you please complicate things even more? You need PET bottle from coca cola, citric acid, elemental magnesium rod and urine test tube or any kind of test tube (glass or plastic with the lid that will fit into the hole of coca cola PET bottle) How hard is that? This is the process like chemistry class for 8 yo kids.. It can't be any more simple and the result is better than 1000$ machines. + the pressure from the process can easily burst (if you add to much acid) even 500ml coca cola PET bottle. Which can hold like 10 times more pressure than beer bottle. Good luck with exploded glass into every direction... LOL
Thank you for your response. I would find a gas method more convenient because it would be on-demand not something I have to make ahead of time. Have you used a SodaStream? Psstt and you've charged a bottle of water. There are commercial vending machine water chargers in Japan that use hydrogen gas. They are expensive and I thought a SodaStream might be an inexpensive launching off point. I also suspect that method would give better, more consistent results.
I'm also thinking about doing that widely disseminated test tube method. Of course, following the steps is simple but there are variables that effect ppm concentrations. While, as you point out, anyone can follow the simple steps, we don't have the experience or equipment. I could use a reagent to test, but, I found that experience counts--I think we've all had the experience of messing up a simple food recipe!
At the very least, I'd use the reagent to test--there are going to be variables, such as temperature. Have you done that?
Even with direct gas to water (pressurized), I'd have the question of ppm. I'd like an electronic meter but the cost stops me. $449.95 here:
Trustlex Molecular Hydrogen H2 Meter
Reagent $24.95
H2 Sciences Inc. About H2Blue
(I wonder what's going on in someone's life when they need to try to demean someone. I'd be happy to listen to your story but that's not what this thread is about.)