When to Clean Moldy Caulk and When to Replace It

https://ace-wiki.win/index.php/When_to_Clean_Moldy_Caulk_and_When_to_Replace_It

Figuring out whether to clean or replace moldy caulk comes down to the extent of the damage. If the mold is surface-level and the caulk is still tight, a bleach solution and scrubbing can work. But once you see deep discoloration, softening, or gaps, spores have likely penetrated the seal, making replacement the only fix to prevent moisture issues and health risks.