Rather than relying on mediocre tonic water, make your own flavorful tonic syrup and then add seltzer water.
-8 oz water
-1/3 oz pomegranate juice
-1 tablespoon cinchona bark
-7 rosemary leaves
-3/4 teaspoon fresh grated ginger
-4 strips lemon zest
-4 strips lime juice
-1/3 oz fresh lemon juice
-1/3 oz fresh lime juice
-Pinch of salt
-3/4 lemon grass stalk
-1/2 cup sugar
-1 tablespoon citric acid
-Pour all of the ingredients from the water through the lemon grass stalk in a medium sauce pan.
-Bring to a simmer over medium high heat, and then cover and simmer on low for 30 minutes.
-Take off the heat, stir in the sugar and citric acid, and leave to steep for half an hour.
-Pour the syrup through a fine mesh strainer and a coffee filter, and refrigerate in a mason jar.
USE A 1:4 TONIC TO SELTZER WATER RATIO FOR GIN AND TONICS.