Clean grout. Tile resists dirt and stains but grout is porous and absorbs dirt and spills, so it stains easily. In an entry, dirt and grime stains the grout. In a kitchen, spills are to blame for dirty grout. Soap, mold and mildew make dirty grout in a ba

Clean grout with a commercial grout and tile cleaner. Apply it to the dirty areas of the grout following the manufacturer's instructions. If you prefer cleaning grout with a DIY mixture, make a paste of 3/4-cup baking soda, 1/4-cup hydrogen peroxide a

Grout, the mixture of water, sand, and cement that keeps tiles in place, can be difficult to keep clean. Grout lines easily pick up dirt and stains, and before you know it they turn from white to black. Learn how to clean your grout so it's sparkling