Common Bathroom Grout and Caulk Problems That Lead to Mold

https://roomtobreathe.meridiannest.com/posts/common-bathroom-grout-and-caulk-problems-that-lead-to-mold

Mold thrives in bathrooms where grout and caulk have cracked or pulled away from tiles and fixtures. These gaps trap moisture, creating a perfect breeding ground. Over time, old caulk loses its seal, especially around tubs and sinks, letting water seep behind and stay damp. Grout, if not sealed or properly mixed, can crumble or become porous. Even a tiny leak from a shower head or faucet worsens the problem, making mold removal difficult without replacement.