An easy-to-use, professional grade waterborne epoxy that recolors, seals and rejuvenates dirty or discolored existing grout joints. Use with a variety of grout types, including cement, epoxy, urethane and Single Component grouts. Also simplifies ongoing grout cleaning by helping to guard against stains by sealing and protecting recolored grout. ***Includes Microban antimicrobial protection that prevents the growth of stain-causing mold and mildew on cured colorant. ***Coverage is 70 to 450 sq ft per kit depending on the width and porosity of grout joints. (example: a room with 12"x12" tile and a 1/4" grout joint would use one kit to cover approx 125sf.)