Okay I understand what is going here. Tnx BB for the explanation.

I would note that using this process should done in a well ventilated area as Hydrogen can be very flammable and can produce an explosion hazard in a confined space. Just look at what it does in a rocket or missile.

I give a try to see what the results are just got to obtain some washing soda or make some. I like to compare it to the muriatic acid bath I use. My solar panel produces up to 5 amps so that should enough for testing