2x Neutralizer is simply a higher concentration of regular strength Neutralizer. Extra Strength Neutralizer is a mixture twice the strength of regular Neutralizer. Technically it is a mild sudless soap, virtually tasteless and odorless, without a surfactant or foaming agent.
See how people use it! Miracle II Neutralizer uses.
Eloptic energized oxygenated water, ash of dedecyl solution, calcium, potassium, and magnesium.