Where can you buy muriatic acid?

here's where you can buy it online: http://www.amazon.com/exec/obidos/tg/stores/offering/list/-/B000BZZ24I/all/ref=dp_bb_a/102-7812143-2974566?%5Fencoding=UTF8&redirect=true&condition=new%2F Muriatic acid is the old chemical name for Hydrochloric Acid (HCl). It's very strong and is present in the stomach. It's also extremely dangerous so you should handle it with EXTREME CAUTION.