1 oz. glycerin
8 oz. water
1 oz. cherry bark
4 oz. cherry juice
1 ¼ cups sugar
Mix the glycerin with 4 ounces of water, add to the bark and let steep for 24 hours. Strain the liquid into a glass jar. Cover the bark with 4 ounces of warm water, and let steep for 1 hour. Strain this liquid into the jar with the liquid from the first steep. Add cherry juice and additional water as need to measure 12 ounces of liquid. Add sugar and stir until dissolved.
Adapted from Fix the Pumps by Darcy O’Neil