If the glasses, plates and bowls you pull from the dishwasher rack post-cycle look barely any better than when you stuck them in, it could be the filter causing the problem.
Your dishwasher’s filter quietly does some heavy lifting, trapping loose food particles to keep them out of that circulating wash water. If it’s clean and installed properly, it means less need to pre-rinse dishes and a better chance that they come out sparkling.
Even with a filter, it’s still a good idea to scrape larger food scraps into the trash, but its job is straightforward and makes dishwashers more efficient than they were in the pre-filter era.
When compiling and analyzing our list of the best dishwashers, every expert I spoke with said that one of the most common causes for dishwasher repair calls and warranty claims is failing to clean the filter.
So, how often should you clean
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