Patent ID: 8613805

Claim:
A water-conducting domestic appliance comprising: a washing compartment for receiving items therein that are to be subjected to a washing cycle by the water-conducting domestic appliance; and a detergent dosing system, the detergent dosing system having a detergent dispenser with a receiving compartment, the receiving compartment for receiving a plurality of cartridges, each of the cartridges being configured to hold at least one detergent, the detergent dosing system being configured for storing a quantity of detergent greater than a quantity needed for a single washing cycle and the detergent dosing system having an apparatus for detecting a fill level in at least one of the detergent dispenser and at least one cartridge of the plurality of cartridges, the apparatus for detecting a fill level being configured to detect a fill level of at least one cartridge, but not all cartridges, wherein the detergent dosing system is configured to determine and control a run-out time of detergent exiting a cartridge during each dosing operation as a function of the number of dosing operations since introduction of a new cartridge and extends the run-out time as the number of dosing operations increases to compensate for decreased pressure in the cartridge as the volume of detergent in the cartridge is expended to dispense the same volume of detergent regardless of the fill level in the cartridge.