>>21607035
>prerinse
Stop that. Counterintuitively, they work best with shit crusted into the plates. At least mine does.
If you tried that already, then maybe it's your detergent. When we bought the one I mentioned in
>>21607034 four years ago, our usual go-to, Finish powerball tabs, didn't work well with it so we switched to Cascade powder and it works better, surprisingly enough (because Cascade powder is way cheaper than any tab). I don't know why but it really does seem like certain detergents just work better in certain washers