[Cletus.D.Yokel]

Which sort of lime?

[Tuscaloosa Goldfinch]

Pickling lime:

https://www.askaprepper.com/how-to-preserve-eggs-with-lime-water/
A few paragraphs down in the article. Also there are YouTube videos:
Also called “waterglassing eggs”

[sweetiepiezer]

https://www.askaprepper.com/how-to-preserve-eggs-with-lime-water/