Chris Sublett, Vogel Appliance Service: “When you open your dishwasher and you see any white film built up on the inside of the dishwasher, that tells me you need to have your dishwasher cleaned. You can do that yourself. There are several different products you can buy at the grocery store.”
MORE: Tips for Removing Lime and Hard Water Buildup in the Dishwasher
If you find you’re still having trouble with spotty, dirty dishes, it may be time to call in a pro to take a look.
While dishwashers can last up to 13 years, if your appliance is seven years or older and repairs will cost more than half the cost of a new appliance, it’s probably time to buy a new one.