Thermocure Coolant System Rust Remover, Safely Removes the Rust from Cars Cooling System, 32 oz Bottle THEROCURE BY Evapo-Rust,CURES ENGINE OVERHEATING BY REMOVING THE RUST FROM YOUR COOLING SYSTEM! THERMOCURE restores the engine ability to transfer heat to the coolant allowing engines to run cooler and last longer. "Non-toxic Biodegradable Non-corrosive Safe on skin and eyes No fumes or bad odours Contains no acids, bases, solvents, or VOCs Safe on other metals, rubber, plastic, wood, and glass " THERMOCURE removes rust scale and deposits from radiator, water pumps, water jackets, and engine blocks and heads. THERMOCURE Uses the latest technology in rust and corrosion removal to totally revitalize automotive cooling systems.