How to Spot Mold Spreading Behind Bathroom Tile and Fixtures
https://everydayhomecare.bearsfanteamshop.com/how-to-spot-mold-spreading-behind-bathroom-tile-and-fixtures
Keep an eye out for subtle discoloration or bubbling along caulk lines and grout, especially near shower fixtures and corners. A musty smell or a slight softening of the drywall beneath the tile can be early signs. Tiny black or green specks creeping out from under a loose tile or behind the faucet plate are dead giveaways that moisture and mold are spreading where you can't see.