Star brite&Reg Rust Stain Remover 32 Oz Gel Formula. Professional rust stain remover engineered for marine, RV, automotive, and home surfaces. Gel formula clings to surfaces, providing maximum contact time for stronger cleaning power. Designed for use on multiple surfaces suitable for fiberglass, vinyl, metal, painted surfaces, and select fabrics when used as directed. Ideal for vertical and overhead areas. Gel consistency prevents running or dripping common with liquid cleaners. Removes waterline rust, hardware runoff stains, and general oxidation marks. Helps reduce rust stain appearance quickly. Easy spray application provides quick coverage on large or detailed areas. Versatile use across multiple environments. Pairs well with marine polish. Enhances long-term shine and protection after cleaning. Formulated with environmental considerations. Developed to minimize environmental impact during use.