In a kids' size Iced Kryptonite Italian Soda, how much soda water is added?

In a kids' size Iced Kryptonite Italian Soda, the correct amount of soda water added is to the 6oz line. This aligns with the typical portion size designated for kids, which is designed to be smaller than standard servings. The overall concept with kids' beverages often revolves around accommodating smaller appetites and preference levels for sweetness and flavor intensity.

Using the 6oz line ensures that the drink remains manageable for children, providing them with a fun and fizzy experience without overwhelming them with excessive quantities of soda. This size also allows room for other ingredients like flavored syrups or additional garnishes while keeping the drink appropriately sized.

The other options refer to larger sizes typically used for adult servings or larger drinks, which would not be suitable for a kid's portion. Thus, the 6oz line represents the correct measurement for a kids' size beverage in this scenario.