1 cup neutral gin, chilled
1 cup Campari, chilled
1/2 cup dry vermouth, chilled
3/4 cup fresh pink grapefruit juice, chilled
2 large lemons, peels removed in long spirals and juiced
Combine the gin, Campari, vermouth, grapefruit juice, lemon juice and lemon peels in a pitcher and stir to blend.