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Mold on grout and caulk: where to start looking for moisture damage
When you notice dark spots along the edges of your shower tiles or a musty smell near the sink, the first place to check is often the grout and the caulk. These two materials are the most vulnerable surfaces in any bathroom. Grout is porous and absorbs moisture easily. Caulk, while flexible, can lose its seal over time and trap moisture underneath. Both create ideal conditions for mold growth. Mold on grout usually appears as small black or green specks that spread into lar