Mold on grout and caulk: where to start looking for moisture damage

https://thehealthywashroom.moderncairn.com/posts/mold-on-grout-and-caulk-where-to-start-looking-for-moisture-damage

That dark, spotty mold creeping along your bathroom grout and caulk is a dead giveaway that moisture is hiding where it shouldn't be. Start by checking around your shower and tub edges, especially where the caulk meets the tile, because leaks often develop along these seams. Don't overlook the base of your toilet or under the sink, where dripping pipes or splashes can soak into caulk seals over time. Even a small crack in grout can let water sneak into the wall, so peel back any loose or discol…