Juice citrus. Juice one lime and half a grapefruit to get 1 ounce of juice, each.
1 ounce grapefruit juice, 1 ounce lime juice
Garnish glass. Garnish your glass by using a lime wedge to rim the glass, then pressing it in a small dish filled with homemade lime salt or coarse salt.
lime salt
Chill glass. Fill your glass with ice.
Add syrup. Add 1.5 grapefruit simple syrup to glass.
1.5 ounces grapefruit simple syrup
Add juices. Add 1 ounce of lime juice and 1 ounce of grapefruit juice.
1.5 ounces grapefruit simple syrup, 1 ounce grapefruit juice
Add optional alternative spirit. If using, add 2 ounces of alcohol-free spirit alternative.
2 ounces Alcohol Alternative Spirit
Add saline solution. Drip in 5 drops of saline solution.
5 drops saline solution
Top with seltzer. Top with seltzer water to fill the glass.
seltzer water
Garnish drink. Garnish with lime slice and grapefruit wedge.
lime slices, grapefruit slices
Serve. Serve immediately.