No need to drain or flush...Simply shake, pour and go!

Stops leaks in minutes and avoids expensive repairs. Suitable for all water-based cooling systems including cars, commercial and agricultural vehicles.

• Mixes with all types of anti-freeze & coolant
• Continues to work within the coolant system and find and repair any new or additional leaks as well
• Repairs are permanent - you may drain all fluids and the repairs remain repaired
• Positively will not clog or damage any other part of the cooling system
• One bottle is good to repair minimally an 18-quart cooling system, typically a 10 cylinder engine
• One bottle has repaired many 20 quart systems, typically a 12 cylinder engine

Permanently repairs leaks in the following:

• Radiators
• Cylinder Heads
• Head Gaskets
• Engine Blocks
• Heater Cores
• Freezer Plugs