Established in 1996. Specialize in: Removing hard water stains, mineral stains, scratches and graffiti from glass windows and shower doors. HydroShield surface protection for windows, shower doors, granite, porcelain, ceramic, toilets, natural stone. Makes surfaces up to 85% easier to clean without the need of harsh chemical cleaners. Backed with a real warranty! Grout Color Seal old or new grout - change or match existing color. GCS is mold and mildew resistant. The fungicides, bactericides and mildicides built into the GCS formulation insures sanitation for many years . Restore Protect Preserve the beauty of your home.