Hydrochloric Acid vs. Muriatic Acid: Key Differences & Safe Uses
Hydrochloric acid (HCl) is the pure, lab-grade chemical; muriatic acid is the diluted, technical-grade version containing iron and trace metals—same core compound, different purity. Walk into a pool-supply store and you’ll see “muriatic acid” on every shelf, yet chemistry class calls it hydrochloric. The name swap started in 19th-century dye works, where manufacturers rebranded industrial…