Super Coldmaster is ready-to-use anti-freeze made of the concentrate. It is convenient in use and it does not require dilution with distillated water. It protects at as low as -36C in winter and as high as +45C in summer. Application: 1. Drain the old coolant. 2. Flush the cooling system with running water (if it is necessary, use COMMA Rad Clean cooling system cleaner). 3. Pour the anti-freeze into the system, close the radiator cap.