I have a 7 year old BOSCH dishwasher. I keep having to rewash about half of the glasses from the top shelf as they come out ingrained with dirt (looks like sand). I have taken off and cleaned the 2 rotary blades, cleaned the base etc.
I have checked my manual and there don't appear to be any other parts I can take off and clean. Your advice would be much appreciated.
Thank you
Hello. Begin by running the dishwasher after adding two cups of vinegar. Use the hottest and longest cycle u have. This will clean your machine. Then change over to cascade liquid and see if it imakes a difference. Finally, always run the hot water in the sink until it is real hot before you turn on your dishwasher.
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