To produce HCl(g) with this method in North America one should buy muriatic acid and drain cleaner from the (big orange) hardware store and 99% isopropanol (IPA) from any drug store. The novice should make sure the label of the muriatic acid says "contains hydrochloric acid" and "muriatic acid commercial 31%," make sure the label of the drain cleaner says "contains sulfuric acid," and make sure the label on the IPA says 99% and "isopropyl alcohol.