Hammerite Rust Remover Gel is specially formulated for the effective removal of rust from nuts, bolts, garden tools and other metal objects Overpaintable in 3 hours Simple to apply - no need to rinse off How to remove rust: Use a wire brush to remove loose rust Brush apply Hammerite Rust Remover Gel liberally Work the gel into the surface Leave for 15-20 minutes. Repeat the process, applying additional gel as necessary at 30 minute intervals for a period of 2 to 3 hours or until rust is removed If the rust has not been completely removed repeat the procedure. Allow to dry. Note that under some conditions a light deposit of flash rust can develop. This can be wiped off or overcoated when dry To prevent new rust forming the surface should be overcoated the same day. For best results use Hammerite Direct to Rust Metal Paint After use, remove as much Gel as possible from brushes before cleaning with running water using a wire brush to assist Do not use or store in extremes of temperature and protect from frost