Put six tea bags in a small glass pitcher and pour two cups of hot water over the top of them. Cover and steep for 15 minutes. Remove the tea bag (without squeezing them) and discard.
Stir baking soda into the tea to make is super SMOOTH.
Stir in the sugar of your choice. For diet sweet tea: Use 1/2 cup of stevia for a diet sweet tea. Or for regular sweet tea: use granulated sugar. Depending on how sweet you like it you can add 3/4 to 1 1/2 cups of granulated sugar.
If you want to use lemon in your tea, put the lemon wedges in the bottom of a 2-quart pitcher.
If you are in a hurry and want to cool off the tea quickly, put two cups of ice on top of the lemons.
Pour the sweet tea concentrate from the small pitcher into the large one.
Next, pour cold water into the pitcher and stir. If you added ice, only add 4 cups of cold water. If you did not add ice, add 6 cups of cold water.
Serve chilled with ice and lemon wedges.