Radiator Stop Leak is compatible with all antifreeze brands
Radiator Stop Leak seals leaking radiators, heat converters, water pumps and flexible hoses.
Instructions for use: Shake well before use. Add the product to the coolant. Start the engine and open the heating valve. Run engine for 5-10 minutes. After successful sealing process please check the coolant level. 1 can sufficient to treat cooling system of 4-8 litres (1-2 gallons) capacity.