Read more: Every McDonald's Burger, Ranked Worst To Best The reason why soda fountains ... be transferred to the machine by folks simply using it. Even if the fountain isn't self-serve at a ...

many other fast food restaurants use the same or similar types of fountain drink machines and methods to set their soda apart ...

Water makes up a significant portion of fountain drinks, and McDonald’s ensures it’s as pure as ... Coca-Cola technicians fine-tune the soda machines, adjusting syrup ratios and carbonation ...