Dairy processor Turkey Hill, Conestoga, Pa., has a new premium iced tea line called SunBrew, said to contain no added preservatives or colors. The company promotes the beverage’s simple ingredients: real cane sugar, tea and pure water. Teas are sold in 57.6-ounce bottles in sweetened, “lightly sweetened” and unsweetened versions. An 8-ounce serving of the sweetened tea has 80 calories; the lightly sweetened has 25 calories.