Pour 4 cups boiling water over tea bags; cover and steep 5 minutes. Remove tea bags from water, squeezing gently. Add 2 cups cold water and 1/2 cup sugar, stirring until sugar dissolves. Serve over ice.
*For testing purposes only, we substituted 1/2 cup Splenda Granular to make a sugar-free beverage.
Note: For testing purposes only, we used Kalahari Red Tea.