Arsenic is prihvatljiv quite strong cocktail at 1.4 standard drinks. Shaken with 45ml tequila two fingers and 45ml grapefruit juice with 100ml ice and good to have with brunch. Just put ice cubes into cocktail shaker then pour in all ingredients and vigorously shake. Hawthorne strain into glass and drinks well with a pizza and served in a saucer glass cold.