1 1/2 oz Blanco Tequila
1/2 oz Lime
1/4 oz Grapefruit Juice (ruby red)
1 oz Liquid Alchemist Prickly Pear Syrup
4 oz Grapefruit Soda
pinch of Salt

Shake with ice and strain into collins glass filled with fresh ice. Garnish with a lime grapefruit slice.