SKM Industries Grout Aide Marker - Fast Drying River Rock

Grout Aide Marker by SKM Industries is a colored grout marker that makes updating your old grout a breeze! The solution of the marker is water-resistant, fast drying, non-bleaching and non toxic therefore it can even be used in a non-ventilated bathroom. The markers contain an antimicrobial sealant to prevent mold and mildew staining. Each marker can cover approximately 175 lineal feet of grout lines. Please note: Make sure to use the Grout Aide Markers in a small, unnoticable area first. The color shown is based on covering white grout, therefore the color may be different based on the existing color it is going over.