What is the abbreviation for Sour Mix on the soda gun?

The correct abbreviation for Sour Mix on the soda gun is typically represented as "SM." Sour Mix is a common ingredient used in cocktails, especially in drinks like margaritas and whiskey sours, and it is crucial for bartenders to be familiar with its abbreviation. This helps in efficiently dispensing mixed drinks during high-paced service.

Using "SR," "SG," or "SX" for Sour Mix does not align with the standard nomenclature and can lead to confusion when ordering or serving drinks. Thus, "SM" is the commonly accepted and recognized abbreviation in the industry. This knowledge ensures that bartenders can communicate effectively and streamline the drink preparation process.