If dishes are pre-washed using a hand dishwashing liquid -this product is HIGH foaming, standard commercial dishwashing detergent is low foaming (sudsing). It is important to rinse hand dishwashing soap off the items thoroughly before loading them into the dishwasher. Any liquid soap that remained on the items can result in over sudsing. Over sudsing can cause residues to be left on plates, as well as leaks appearing from the machine. Too much detergent?