Slightly different situation with steel in contact with the contents, but this can happen rapidly: https://kaiserscience.wordpress.com/chemistry/electrochemistr

Slightly different situation with steel in contact with the contents, but this can happen rapidly: https://kaiserscience.wordpress.com/chemistry/electrochemistry/lasagna-cell/ https://kaiserscience.wordpress.com/chemistry/electrochemist... I'm not sure if there is a scenario something similar could happen with a drink.