Drinking water can help you lose weight, whether you're restricting your calories or not. Consuming 2 cups of water before a meal helped a group of obese adults lose 2 pounds over a 12-week period without making any other changes to their usual intake, according to a 2015 clinical study published in Obesity.
How many tea bags should you use to make a half gallon of iced tea? One gallon is about 128 ounces, so if one tea bag is good for 10 oz  of water, then about 10 teabags is good for a gallon. Start with 10  and adjust accordingly with water.
When I make sweet tea for my husband, I use about 6 tea bags & 2 cups of sugar for a gallon pitcher. It isn't very hard to mess up iced tea. The taste is hard to explain, you can go to your local gas station and sample some if your not sure how it is supposed to turn out. Ice tea taste like tea but it's cold!!!