Multitank conveyor-type dishwasher (2) for washing items (10) to be washed, comprising at least two wash zones (6, 8) which are arranged in succession in the conveying direction (4); a liquid forward-flow apparatus (26) between in each case two successive wash zones (6, 8) for transferring liquid between these wash zones (6, 8) in a forward-flow direction (28) counter to the conveying direction (4); characterized in that a liquid recirculation apparatus (60) is provided for transferring sprayed liquid of a front wash zone (8), as seen in the conveying direction (4), into a rear wash zone (6) which is arranged downstream of the front wash zone (8), as seen in the conveying direction (4), counter to the forward-flow direction (28).