Abstract: Cleaning machine for blasting the goods to be cleaned. Inside a liquid container there is provided a liquid-permeable compartment or cassette providing a magazine for the granules and connected to a bottom outlet in a treatment chamber wherein the blasting shall take place. The compartment or cassette is connected by a valve-controlled opening to the suction side of a pump for sucking-in liquid from the liquid container via the cassette, while carrying granules therefrom and for supplying the liquid containing granules to the treatment chamber from which the granules are again supplied to the cassette through the bottom outlet.