2. Place the tea bags in a tea pot and pour the hot water over them. Cover and steep for 5 minutes. Uncover the pot and remove the tea bags.
3. Add the ice cubes to the tea and let cool. Transfer the tea to a pitcher, add the grape juice, cover and store in the refrigerator until ready to serve.
4. When ready to serve, fill 4 tall glasses with ice. Fill the glasses 3/4 full with tea mixture and top them off with sparkling water. Garnish each glass with a few grapes.