In cocktails, there are generally two types of carbonated water that are used: club soda and seltzer. But what’s the difference?

Club soda is made up of carbonated water, sodium chloride (table salt), potassium chloride (potassium salt), and/or sodium bicarbonate (baking soda). It’s typically used as a mixer in cocktails and has a slightly salty taste.

Seltzer, on the other hand, is just carbonated water. It has a slightly more mineral-y taste and is typically used as a mixer in …