Description: Nyco Products GO2 Concentrate is a multi-purpose cleaner fortified with Hydrogen Peroxide. This stable combination along with a specialized surfactant system quickly attacks the most stubborn soils and stains on virtually all surfaces not harmed by water alone. A perfect choice for cleaning ceramic tile countertops or shower walls to remove mold and mildew. Helps to bring back the original new grout appearance with color safe oxygen bleaching.