Grout Aide Marker is the safe, easy way to refresh or change the color of grout by covering up stubborn grout stains. Grout Aid dries rapidly, and leaves a clean, uniform grout line without harsh chemicals-completely odorless-no fumes!
You can even use it to change colored grout to white. Anti-bacterial formula helps keep mold from returning.
It's is easy to use. Just follow grout lines with marker. The Marker comes with non-slip grip and durable pocket clip. Its' handy, reversible nib extends the life of your marker. Instantly, ugly grout stains disappear.