First up, I am not responsible if anyone hurt himself or others. It just share my experience.
I am not selling anything or have endorsement deals. I purchased and use the products mentioned.
Hydrogen burns clean, under certain conditions totally invisible to the eye. Optimal combustion is at 29% hydrogen-to-air volume ratio. Clean water is also the only “waste” product of burning hydrogen.
Burning with air gives a 2000° C flame and with oxygen about 2700° C.
In my process, with 100 Watt-hou