![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
![Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice](https://preview.redd.it/brought-my-car-into-the-mechanic-yesterday-so-they-could-v0-uu1yk3sxyug81.jpg?width=640&crop=smart&auto=webp&s=a7bbee737f7f3ccb1425f3d9f5bc5c17d10849e7)
Brought my car into the mechanic yesterday so they could fix my battery terminals, and looks like they sprayed white stuff all over it, is this just anti corrosion spray? : r/MechanicAdvice
![electrical - How can I prevent, slow or reduce white corrosion build-up on my battery? - Motor Vehicle Maintenance & Repair Stack Exchange electrical - How can I prevent, slow or reduce white corrosion build-up on my battery? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/FhC18.jpg)