4 Ways to Make Homemade Dishwasher Soap - wikiHow
Sep 02, 2020·Fill the cup with baking soda. After you’ve placed the dish soap in the washer’s detergent cup, add baking soda. You’ll want to pour enough baking soda into the detergent cup to fill it up approximately ⅔ full. To avoid spilling baking soda all over the interior of the dishwasher, use a spoon to carefully fill the detergent cup rather than pouring the baking soda straight from the box.