Grout: Grout is used to fill the gap between the new tile and the surrounding tile. It's sold as a powder, which you need to mix yourself according to the manufacturer's directions.

Grout saw: a hand tool with a thick razor on the end. Used for loosening and removing old grout.

Tile Nipper: a pliers-shaped hand tool with opposing, sharpened cutters on the end.

2torial #0516: Learn2 Replace a Broken Tile (Continued) Remove the old grout First, you'll need to remove the old grout surrounding the cracked tile.   Cut out the old grout using a grout saw. Short, back-and-forth movements seem to be the most effective. Using the tip of the screwdriver, scrape out the remaining grout. Sometimes the hammer can be useful to start the screwdriver, but don't whack it too hard. Be careful not to damage the surrounding tile while working. Step 2