How Professionals Restore Discolored Grout in Tile Flooring

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Professionals start by deep cleaning the grout lines with a specialized alkaline cleaner and a stiff brush to remove dirt and grease. Then they apply a gentle oxygen-based bleach or a low-abrasion powder to lift stains without etching the tile. After rinsing thoroughly, they may seal the grout with a penetrating sealer to prevent future discoloration, ensuring the floor looks uniform and fresh.