Finish the following sentence with the best choice: what to use to clean your tub

Choices:
- Cut a tennis ball in half and sprinkle the bottom of your tub with salt. The salt will act as a scrub, and rinse clean.
- Cut a grapefruit in half and sprinkle the bottom of your tub with salt. The salt will act as a scrub, and rinse clean.

Answer:
Cut a grapefruit in half and sprinkle the bottom of your tub with salt. The salt will act as a scrub, and rinse clean.