Abstract: A dishwasher for washing with granules heavier than liquid, comprises a washing chamber (1), a device (7) for spraying washing liquid with or without granules against dishes in the washing chamber, a tank (10) which is connected to an outlet (11) from the washing chamber, and a circulation pump (5), the suction side of which is joined to an outlet (4) from the tank, and the pressure side of which is joined to a manifold (6) for conducting liquid sucked in from the tank, with or without granules, to the spray device (7). According to the invention, the dishwasher comprises a dividing wall (8), defining an upwardly open tank chamber (12) in the tank. The upper edge of the wall is disposed beneath the upper limit of the tank. Furthermore, the outlet opening (11) of the washing chamber is disposed above the tank chamber (12) defined by the dividing wall.