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Curiosty, I cleaned out the dishwasher everytime i used it and i long since stopped putting in pots, pans, cutlery and large plates. The only things i used to put in there were small dinner plates, side plates, dishes, cups and glasses and the occasional large carving knife (metal handled not wooden.) I always made sure that the spray arms were able to move. I must have the naffist dishwasher. My friend has an indesit, she has the same problem but not on the same scale as i do. She just puts the uncleaned crocks back in for a second wash. I cant be bothered to do that.