Norma Vally Looping your dishwasher drain hose higher than the bottom of your kitchen sink can help keep water from accumulating and backing up in the bottom or your dishwasher. | Boulder
Dishwasher Will Not Drain - High Drain Loop Installation - YouTube
How to Make Dishwasher Drain Hose Connections
Draining problems in dishwasher. Is this drain setup ok? - Home Improvement Stack Exchange