The spelling of "Preston Salts" can be a bit puzzling at first, but breaking it down into its individual sounds can make it easier to understand. The first part, "Preston," is pronounced /ˈprɛstən/, with the stress on the first syllable. The second part, "salts," is pronounced /sɔːlts/ (in British English), with a long "a" sound and a "t" sound at the end. Together, the word is pronounced /ˈprɛstən sɔːlts/. It refers to a specific type of salt that is produced in the town of Preston in England.