![Picture of mosaic with white grout](http://i-c-mosaics.com/cdn/shop/products/mtv-2114-how-to-paint-ove-existing-grout-poster_{width}x.jpg?v=1597352359)
Sometimes you are unhappy with grout color and sometimes grout gets stained and needs to be freshened. You can color it with dyes or paint, but there are 3 important things to do first or you could make things worse. (5 min. 17 sec.)
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