q21q21 phosphoric acid instead of acetic(vinegar)

[spiritualdensity]

I have heard that phosphoric acid yields better results than using vinegar also known as acetic acid.

Have anyone else heard this and recommend it? If so, where can I get phosphoric or hydrochloric acid?

 

[Desterv]

They are stronger acids than acetic acid is, so it would be expected to get better results, though I've never used them myself. You can get both online pretty easily, Amazon has both