Homeowner ponders replacement of ugly bathroom grout

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Q: Our 20-year-old townhouse has yellow tile in the bathroom that is still in great shape. However, the grout is 1980s dark brown and is discolored. I tried to at least get it all one color with a grout-coloring kit I bought in a tile shop. But the grout took the color unevenly. Now I am wondering if there is anything I can do, short of replacing the whole thing. I don't want to do this because I like the tile. The grout is about 3/8- to 1/2-inch wide and it is my shower surround. Is there an etcher or a drill that can remove most of the grout so I can re-grout with a different color? A: There's good news, bad news and good news. The good news is that you don't have to rip out the tile in your shower surround. The bad news is that this is a labor-intensive and time-consuming job. The good news is that it doesn't require special skills and it's inexpensive. You've got several things going for you. The wider grout lines will make it easier for you to dig out the old grout. The porosity o...