Is your machine often overheating though the water is added?
Or

Is your water pump is often destroyed?
Or

The radiator water is used up quickly?
Or

Your cooler canal often leak?

It means that your cooler canal is stopped up.

The function of Radiator cleaner 47 is to open the obstruction in the radiator that makes the machine overheating, Radiator cleaner 47 consist of active essence that can dissolved the crust, karat in the cooling canal radiator makes the radiator is going on perfectly.