This is a lemongrass tonic water--no real difference from earlier ones, except I am trying to be more precise in my measurements. And the Lemongrass came from my daughter's school.
4 cups water (plus 1/4 cup excess)
1/4 cup cinchona bark (1.4 oz. cut bark, fairly large grain)
1/4 cup citric acid
1 tsp salt (kosher)
45 minutes simmer.
cut heat.
break lemongrass. 4 stalks. Add. Steep for 2 hours. Stir.
Refrigerate for 2 days.