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    Kirkland Signature (Costco) Premium Dishwasher Pacs

    Ratings Scorecard

    Test Results

    Cleans dishes

    Cleans dishes

    Gauges how well a detergent removed a caked-on puree of foods from glass dishes.

     /  5
    Resists film, discoloration

    Resists film, discoloration

    Ability of the detergent to prevent deposit of minerals.

     /  5

    About

    The Kirkland Signature (Costco) Premium Dishwasher Pacs is part of the Dishwasher Detergents test program at Consumer Reports. In our lab tests, Dishwasher Detergents models like the Premium Dishwasher Pacs are rated on multiple criteria, such as those listed below.

    Cleans dishes Gauges how well a detergent removed a caked-on puree of foods from glass dishes.

    Resists film, discoloration Ability of the detergent to prevent deposit of minerals.

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