Star brite&Reg Mildew Stain Remover Gel 32 Oz. Formulated for marine, outdoor, and household surfaces. Thick gel formula clings to vertical and textured surfaces for deep cleaning. Removes mildew stains. Provides quick, visible stain removal results. Versatile use ideal for boat tops, vinyl seats, cushions, chairs, canopies, tile, and grout. Multi-surface application works on shower stalls, curtains, mats, awnings, outdoor fabrics, and more. Easy application. Simply spray or apply gel, allow to work, then rinse clean. Designed for use on fabrics. Use on fabrics tested for colorfastness prior to full application. Helps restore surfaces. Minimizes scrubbing needed to refresh stained or weathered areas. Indoor and outdoor use suitable for areas with mildew stain buildup. Great for routine cleaning to keep surfaces bright and fresh.