Did you read well my post ??
I am not a Dr, neither a scientific. I didn't pay attention to every detail. Don't over-complicate the things. Just do it. !
I bought sodium bicarbonate and mixed two teaspoon with 1 gallon of water. Who know the right mix ?? I did it without thinking too much about proportions. You know what I mean. People generate questions that I don't know. It worked, and that is what I was looking for.