AmeriPolish SureLock Stain Protector is a breathable sealer that helps to protect surface against stains and etching, and to minimize liquid infiltration that might cause color migration or dispersion. It contains a UV stabiizer to minimize fading of colorants. AmeriPolish SureLock Stain Protector concentrate is a water-based polysilicate/ acrylic mixture. It is milky blue liquid with a slight ammonia odor. It is intended to be diluted with water by the user. Dilution and Coverage AmeriPolish SureLock Stain Protector is shipped as a concentrate. Dilute with water in a 1:1 ratio.