• Loosens and removes rust, scale, grease, oil and sludge.
• Works in 15 minutes.

Thoro Flush is the best commercial grade product for removing all traces of any Ethylene Glycol based Radiator Fluid. It removes rust, grease, and sludge to make your engine cooling system perform better. Very expensive repair bills can be avoided by using Thoro Flush at least twice a year. Regular application of Thoro Flush to your automobile helps extend the life of your vehicle, reduces the possibility of a clogged heater core, and helps keep the cooling system fluid flowing through out your vehicles engine and radiator.

Thoro Flush is a "Must Have" if you are planning to repair a head gasket leak or before using any kind of a cooling system sealant in your vehicle. Using Thoro Flush prior to applying a sealant will insure that all passage ways are free from near obstruction that could cause the sealant to plug an area of the cooling system that you don't want plugged.