Just FYI, I just tried a recommendation for removing the tannins/acidity in iced tea that has made a big difference in our enjoyment of iced tea. When brewing just add 1/4 teaspoon of baking soda per gallon of tea and it will eliminate the acidity. You won't notice the taste at all but it will be a lot smoother to the palate. Keeps my acid reflux from kicking in when I have a glass of iced tea. Ann in TN