What Household Items Have Hydrochloric Acid? | Hunker
May 01, 2018·Some tile cleaners, especially the heavy-duty brands available at some hardware or home improvement stores, contain hydrochloric acid. This ingredient acts to help dissolve scale and other debris on the surface of the tile, making it easier to remove stubborn stains, and makes it an ideal solution for those hard-to-clean areas that never seem to truly shine.