Matching grout color: It can be difficult to match the color of the older grout of surrounding tiles. In order to get a better idea of the final color, mix up a small amount of the grout and let it dry for three or four days.

2torial #0516: Learn2 Replace a Broken Tile (Continued) Spread the adhesive Spread a 1/8" layer of tile adhesive on the back of the tile with the butter knife, or spatula. Don't spread adhesive right to the edge of the tile. Press the tile in place, taking care that it's straight. Use several pieces of masking tape to hold it in place. If some adhesive spreads into the grout space, clean it out with the screwdriver, then wipe the tile clean. Let the adhesive cure. The package will tell you how long to wait.   Step 5