After months of foot traffic, the grout between my kitchen tiles had turned a dull gray, and even a deep scrub with bleach didn't help much. This past weekend, I finally tried a steam cleaner and a stiff grout brush, focusing on the worst spots near the sink. The difference was shocking—the lines popped back to their original white, and the tiles themselves looked glossy again. It took about two hours for a small kitchen, but now the whole floor feels fresh instead of just clean. I wish I'd don… tile and grout cleaning