According to the fast food brand, it follows guidelines that ... The filtered water and the Coca-Cola syrup used, McDonald's adds, are pre-chilled before they enter fountain dispensers, with ...

3. They pay attention to the packaging. Many fast food restaurants use plastic bag-in-box Coke syrup, but McDonald’s has ...

But many other factors also contribute to fast food soda tasting so distinctly unique. Read more: 10 Easy Tips To Reduce Food Waste One of the most important factors is the ratio of syrup to ...