1In a saucepan, boil water, hibiscus powder, ginger and sugar for 10-15 minutes on low heat.
2Turn off the heat. Let it cool well. Refrigerate it overnight.
3Strain the liquid the next day.
4 Add 2-3 tbsp of hibiscus syrup to 1 cup of chilled coconut water. Add 1 tsp of lemon juice. Add ice cubes. Stir well and serve.