Understanding the Difference Between Grout Staining and Deterioration in Tile Floor Cleaning

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When cleaning tile floors, it's crucial to tell apart stained grout from grout that's actually deteriorating. Staining usually appears as dark, uneven discolorations that sit on the surface, often caused by spills or mildew. Deterioration, on the other hand, shows as cracking, crumbling, or powdery spots where the grout has physically broken down. Scrubbing stains can sometimes worsen damaged areas, so knowing the difference helps you choose the right fix—whether that's a stain remover or a ful…