Hot Water Cylinders

C-TEC Miracle Seal & Corrosion Inhibitor permanently plugs minor leaks throughout the cooling system, including radiators, hose pipes, and water pumps. It can even repair hairline cracks in engine blocks. It is guaranteed not to clog the system thanks to a groundbreaking new formula, is compatible with all types of water-based coolants, is unaffected by antifreeze, and will continue to seal the leak. Features: Contains lubrication additives Contains anti-corrosion additives Compatible with all types of water based coolants Guaranteed not to clog the system