Soda mixing is a thing that people do with the two flavors together. For example. Coca Cola's Fanta Berry with Pepsi. That will make Pepsi Blue.
Some more examples Edit
- Pepsi with Fanta Berry makes Pepsi Blue. Because Fanta Berry has the berry flavor to the soda. With Pepsi mixed into Fanta Berry. It will make a berry flavored Pepsi just like Pepsi Blue.