1.Wash the ginger root thoroughly to remove all dirt and sediment that may be stuck in crevices.
2.Grate the ginger with either a hand grater or a blender.
3.Boil the water and throw it on the ginger.
4.Cover and let it sit for 24 hours.
5.Strain the mixture through a sieve into your serving pitcher.
6.Add lime juice and sweeten to taste.
7.Chill well and serve.