In a saucepan combine the water and sugar to create a simple syrup. Bring to a boil and although to boil for 2 minutes or until the sugar dissolves. Remove from heat and allow to cool before using.
Brew the green and hibiscus tea using the two cups of water. Allow to steep for 5 minutes and then allow to cool.Pour the cooled tea, cooled simple syrup, and white grape juice into a glass. Stir to combine. Top with frozen berries of choice and ice.