No. 2 Granular Dry Acid Compound is effective in cleaning
and pickling metals. Use for removing surface oxidation, fire-scale, flux, and
dirt from gold, silver and copper based alloys. Non-flammable and non-explosive.
Net weight 2.5 lb (1.1 KG). Makes 1 gallon (3.8 L) of solution when mixed with
in the USA