Powerful Grout: Our black grout is designed to prevent the formation of dark stains and spots as well as renew and refresh tile grout lines and old grout to make your home, tile floor, walls, and bathroom, shower, and kitchen look newly-released again. Our grout paint is safe to use in enclosed spaces that allow you to quickly complete your home improvement upgrades. Use Anywhere: Our grout filler is an absolute home improvement must-have. Cleaning and coloring grout is easier than ever, and you'll be amazed at the swift transformation it can bring to your home! You can use our tile grout repair kit to renew and refresh your bathroom, kitchen, shower, toilet, bathtub, sink, window, and any other room that has floor or ceiling tiles.