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Re:Tell HN: Properly using dishwasher reduced friction with ... by runjake on Wednesday January 14, 2026 @07:26PM (#46626121)
I've heard this claim. I have no idea if it's really true or not. I don't really care.

Here's why I rinse my dishes: it keeps the dishwasher trap cleaner and I get less build up in the dishwasher drain lines, so I have less maintenance to do. The dishes come out clean, anyway.

Edit: It’s true for modern dishwashers. I can’t believe I spent time looking into this. The recommendation is still to scrape food off to prevent the aforementioned issues.

Re:Tell HN: Properly using dishwasher reduced friction with ... by foobarchu on Wednesday January 14, 2026 @07:28PM (#46626144)
The reason is that dishwasher detergent is an enzyme based cleaner. Those enzymes need something to react withm.

You still want to scrape of loose food, of course, or yes you'll get a dirty filter faster.

Re:Tell HN: Properly using dishwasher reduced friction with ... by B5C8ECB24DB47D1 on Thursday January 15, 2026 @01:25PM (#46636854)
And for those enzymes to work efficiently you need hot enough water from the very beginning of the washing cycle. See the video link I posted in another comment.
Re:Tell HN: Properly using dishwasher reduced friction with ... by foobarchu on Sunday January 18, 2026 @10:02AM (#46668314)
Hah, I knew exactly what it would be before I looked