Hoges in WA wrote:

> Cut a lemon in half and jam a half on one of the multitude of spikes in the
> dishwasher then wash as normal.
> It's useful to do this from time to time anyway.
>
I recall moving into a house that the dishwasher hadn't been used at for
a year or more. The appliance part store said they sold a citric acid
powder to run through the machine, but we could also just buy a cheap
packet of unsweetened lemon KoolAid and pour that in.