How do I correctly add detergent to the dishwasher?
Add detergent just before starting the wash cycle, depending on water hardness adjust powder amount as per chart in quick start section (Use and Care guide page), tablets or gels should be placed directly into the main compartment of dispenser. (Page 12)
From the official KitchenAid Kdtm404kps Dishwasher manual, page 6
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