Dishwasher , in particular a household dishwasher, with a dishwashing container , a lower holder for items to be washed arranged in the dishwashing container , an upper holder for items to be washed arranged above the lower holder for items to be washed, a lower spray facility assigned to the lower holder for items to be washed for spraying the items to be washed arranged in the lower holder for items to be washed with washing liquor, an upper spray facility assigned to the upper holder for items to be washed for spraying the items to be washed arranged in the upper holder for items to be washed with the washing liquor, a hydraulic facility for conveying the washing liquor to the lower spray facility and to the upper spray facility , and a control device for performing a dishwashing program from a number of dishwashing programs for washing the items to be washed, wherein the control device is designed to actuate the hydraulic facility in such a manner that in a first segment of the dishwashing program the washing liquor having a first washing liquor temperature is only sprayed onto the lower holder for items to be washed and in a second segment of the dishwashing program following the first segment the washing liquor having a second washing liquor temperature that is lower than the first washing liquor temperature is sprayed onto the lower holder for items to be washed and the upper holder for items to be washed, characterised in that the washing liquor is provided with the first washing liquor temperature and a first quantity of washing liquor in the dishwashing container in the first segment, wherein the washing liquor is provided with the second washing liquor temperature and a second quantity of washing liquor, which is greater than the first quantity of washing liquor, in the dishwashing container in the second segment, wherein the dishwasher has a fresh water connection for conducting fresh water into the dishwashing container and a valve arranged between the fresh water connection and the dishwashing container , wherein the control device is designed to actuate the valve after the first segment to increase the quantity of washing liquor in the dishwashing container from the first quantity of washing liquor to the second quantity of washing liquor and to reduce the washing liquor temperature in the dishwashing container from the first washing liquor temperature to the second washing liquor temperature. the washing liquor is provided with the first washing liquor temperature and a first quantity of washing liquor in the dishwashing container in the first segment, wherein the washing liquor is provided with the second washing liquor temperature and a second quantity of washing liquor, which is greater than the first quantity of washing liquor, in the dishwashing container in the second segment, wherein the dishwasher has a fresh water connection for conducting fresh water into the dishwashing container and a valve arranged between the fresh water connection and the dishwashing container , wherein the control device is designed to actuate the valve after the first segment to increase the quantity of washing liquor in the dishwashing container from the first quantity of washing liquor to the second quantity of washing liquor and to reduce the washing liquor temperature in the dishwashing container from the first washing liquor temperature to the second washing liquor temperature. <EOS>