The next step is to add potassium chloride, which is sourced from the grocery store as a sodium-free salt alternative. After mixing with the filtered remains of the bleach reaction the two are ...

W. Thomas included KNO 3 in an article about the action of hydrogen chloride gas on various metal salts. As early as 300 BCE, KNO 3 was found on cave walls or other rocky surfaces. Until World War I, ...