Rust Doctor - 1 Quart + 50% OFF Grease Doctor - 1 Quart
When you buy a quart of Rust Doctor, you get half off on a quart of Grease Doctor cleaner degreaser. Rust Doctor converts rust to a black non-rusting magnetite and leaves a primer on the surface for top coating. Covers 50 Sq. Ft. of rusty metal. Grease Doctor is a concentrate that is mixed with water for cleaning rusty surfaces before you apply Rust Doctor. Grease Doctor is a concentrate that is mixed with water to make an average of 2-4 gallons of cleaner/degreaser, depending on dilution.