![Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy](https://c8.alamy.com/comp/FJTPC8/old-alkaline-household-batteries-leak-a-white-crusty-substance-made-FJTPC8.jpg)
Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy
What is the white crusty stuff that forms, for instance, in a flashlight, when the Alkaline batteries leak? How do you get rid of it? - Quora
![Leeds Recycles ♻️ on Twitter: "Recycle your old batteries at a battery bank! Clear out that drawer of random stuff and recycle those old batteries. There's a battery bank at every supermarket Leeds Recycles ♻️ on Twitter: "Recycle your old batteries at a battery bank! Clear out that drawer of random stuff and recycle those old batteries. There's a battery bank at every supermarket](https://pbs.twimg.com/media/Eb7clGpXYAETSrG.jpg)