Bar's Leak Radiator Stop Leak Tablets inhibit the formation of rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks. Same tablets as used by many OEM auto and truck manufactures around the world. Bar's Leak Radiator Stop Leak is designed to enhance the use of antifreeze or can also be used in water. When used in water alone, it is also recommended to use a cooling system anti-rust and water pump lube.

Product Features:

• Seals Leaks and Seepage
• Helps Control Electrolysis
• Lubricates Water Pump Seal
• Harmless to ALL Plastic, Metals, Hoses and Connections