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hughesjenniferSep 8, 2025
Why is there detergent left in the dispenser cup of my Cosmo Dishwasher?
- DDavid WeberSep 8, 2025
If there's detergent left in the dispenser cup of your Cosmo Dishwasher, the detergent might be too old, so use fresh detergent. Also, ensure that the spray arms are not blocked when you load the dishes.

