Glass: Rocks or tall glass
Garnish: Salt (optional), Pink grapefruit
2 oz. Your favorite Tequila
1½ oz. Freshly squeezed pink grapefruit juice
¼ oz. Agave nectar
Soda water or sparkling mineral water
Add Tequila and the freshly squeezed pink grapefruit juice into a tall glass with lots of cubed ice. Stir gently while adding the soda water or sparkling mineral water.