Hvilke fem brus er de mest kullsyreholdige?

1. Sprecher Root Beer (3,55 volumer CO2)

2. Boylan's Black Cherry Soda (3,45 volumer CO2)

3. Virgil's Root Beer (3,35 volumer CO2)

4. IBC Root Beer (3,25 volumer CO2)

5. A&W Root Beer (3,15 volumer CO2)