|"Is this all real? Or has this been happening inside my head?"
The subject of this article is a real-life person, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Vinegar is a sour liquid used as a condiment or as a preservative.
- Vinegar on Wikipedia
- Harry Potter and the Philosopher's Stone (film) (Mentioned only)
- Harry Potter and the Half-Blood Prince (First appearance)