What fill line is used for a medium iced blackout cup?

The medium iced blackout cup is filled to the 13 oz fill line. This specification ensures that the drink fits perfectly in the cup, providing the intended experience and maintaining the right proportions for the drink's flavor profile. Accurate measurements are crucial in the coffee industry, as they directly affect the balance of ingredients and customer satisfaction. Using the correct fill line also helps in managing portion sizes effectively, which is important for both cost control and inventory management.