The Must For Rust is a rust inhibitor & remover. Eliminates rust & protects metal surfaces. Dissolves rust & oxidation leaving a clean metal surface for painting. Inhibits future rust formation up to 12 months if left bare. Use on metal, galvanized, aluminum, stainless steel, chrome, brass, porcelain, ceramic, & more. Spray, brush, or dip. Works in 15 to 30 minutes. Safe to use water based product; no harsh or caustic chemicals. 32-oz. bottle covers approximately 75 to 125 sq. ft. For additional information, including MSDS, please go to www.krudkutter.com.