the recipe calls for etching the board with a solution consisting of a half cup of 3% Hydrogen Peroxide and a quarter cup of muriatic acid. The folks at Hub City Labs put together a great ...

There’s also a variety of homemade etchants using things like muriatic acid and vinegar ... but it isn’t like premade etching solution is that expensive either. However, sometimes the ...

"So I had to dip the band in muriatic acid for 30 seconds, pull it out, put it in baking soda, and then rinse it.” This process is known as acid etching which removes the outer edge of a surface.