Anything that is liquid at room temperature counts as fluid.
Certain watery fruits and vegetables also count as fluids.
The following all count towards your daily 2-liter fluid limit:
- ice cubes
- soup
- ice cream
- sorbet
- milkshake
- popsicle
- Fruits: watermelon, strawberries, grapefruit, and cantaloupe
- Vegetables: cucumber, celery, and tomatoes