See ya, stains.

Discolored grout can be cleaned with common household ingredients. Grout pens are a simple way to whiten grout, but the results are mixed. Proper preparation and cleaning are key to successful grout ...

As porous material, grout acts like a sponge and soaks up everything: dirt, grease, mildew, soap scum, even hard water. “That’s why grout tends to look discolored long before the tiles do,” says ...

As porous material, grout acts like a sponge and soaks up everything: dirt, grease, mildew, soap scum, even hard water. “That’s why grout tends to look discolored long before the tiles do,” says ...