LPT: If your dishwasher doesn’t clean cups and glasses properly, check the height setting of the top rack
LPT: If your dishwasher doesn't clean cups and glasses properly, check the height setting of the top rack Many dishwashers have the option of adjusting the height of the top rack (where your cups and glasses typically go). If you lower the top rack to make room for e.g. some tall glasses, you might cause some wide plates in the bottom rack to block the upper spray arm (the spinny thingy underneath the top rack which cleans your mugs and glasses fro...