Cleaning device for treating items to be cleaned, the cleaning device having the following features: a cleaning container for receiving the items to be cleaned, the cleaning container having an inlet and an outlet for a washing solution; a receiving container for receiving the washing solution; at least one electrochemical cell device designed to prepare the washing solution; a pumping device, the pumping device being designed to pump the washing solution from the receiving container into the cleaning container, to pump the washing solution through the electrochemical cell device and to pump the washing solution back into the receiving container; a control apparatus which, in order to control a sequence of a cleaning program, is designed to provide a pump signal for controlling an operation of the pumping device and a cell signal for controlling an operation of the cell device; and a line which is designed to connect the pumping device to the inlet of the cleaning container, the at least one electrochemical cell device being arranged on the line, the control apparatus being designed to provide a pump signal for activating the pumping device for pumping the washing solution from the receiving container via the line to the inlet of the cleaning container at the start of the cleaning program, to provide a pump signal for activating the pumping device for pumping the washing solution from the outlet via the line to the inlet of the cleaning container during a recirculation process of the cleaning program, and to provide a pump signal for activating the pumping device for pumping the washing solution back into the receiving container at the end of the cleaning program, and characterised in that the control apparatus is designed to provide a cell signal for switching off the cell device after the recirculation process of the cleaning program and after reaching a predefined cell value. a cleaning container for receiving the items to be cleaned, the cleaning container having an inlet and an outlet for a washing solution; a receiving container for receiving the washing solution; at least one electrochemical cell device designed to prepare the washing solution; a pumping device, the pumping device being designed to pump the washing solution from the receiving container into the cleaning container, to pump the washing solution through the electrochemical cell device and to pump the washing solution back into the receiving container; a control apparatus which, in order to control a sequence of a cleaning program, is designed to provide a pump signal for controlling an operation of the pumping device and a cell signal for controlling an operation of the cell device; and a line which is designed to connect the pumping device to the inlet of the cleaning container, the at least one electrochemical cell device being arranged on the line, the control apparatus being designed to provide a pump signal for activating the pumping device for pumping the washing solution from the receiving container via the line to the inlet of the cleaning container at the start of the cleaning program, to provide a pump signal for activating the pumping device for pumping the washing solution from the outlet via the line to the inlet of the cleaning container during a recirculation process of the cleaning program, and to provide a pump signal for activating the pumping device for pumping the washing solution back into the receiving container at the end of the cleaning program, and characterised in that the control apparatus is designed to provide a cell signal for switching off the cell device after the recirculation process of the cleaning program and after reaching a predefined cell value.