Prochem Rust Remover B198 1 ltr is an economical acidic gel for the removal of rust, iron mould and old blood stains on carpet and fabric. Features: - Professional rust remover for carpets, fabrics & most surfaces - Economical and safe-to-use - Does not require chemical neutralisation - Clear viscous liquid - Pleasant fragrance - Ready-to-use Directions - For professional and industrial use only. - Rust Remover is ready-to-use. - Shake before using. - Always pre-test fibres and fabrics in an inconspicuous location for suitability and colour fastness. - Some fabrics and dyes may be sensitive to mild acids. - Apply Rust Remover directly to the rust spot. Avoid over-application. - Allow several minutes contact time. - Agitate gently during this time with a brush or scraper. - Blot and extract area thoroughly with clear water. - Repeat steps above if necessary. - Groom carpet or fabric to align fibres. - Note: Old rust spots will require longer contact time than fre