Pour the grenadine and spirit into a sterilized bottle or carafe with a capacity of at least 1 liter.
Bring the water and sugar to a boil in a saucepan and stir until the sugar has completely dissolved. Allow to cool, then add to the batch solution. Close tightly and shake the solution well to mix.
The liqueur does not need to mature and can be used immediately. Store in a cool and dark place until use. Shelf life approx. 1 year. The alcohol content is around 17%
The ingredients are sufficient for a good 1 liter.