Secure the hose back onto the connection point with the clamp. Ensure the hose is routed in a "high loop" (secured to the underside of the counter) to prevent future backflow. Run a short rinse cycle to check for leaks and confirm the water drains smoothly. When to Call a Professional
Once the water runs clear through the hose:
Cleaning the hose is a hassle, so here is how to avoid doing it again: how to clean dishwasher drain hose
Trace the corrugated plastic hose from the dishwasher pump to where it connects to your garbage disposal or sink drain.
The drain hose is usually located under your sink, connecting the dishwasher to the garbage disposal or sink drain. You may need to remove the lower kick plate (toe-kick panel) at the bottom of the dishwasher to see the connection at the machine end. Secure the hose back onto the connection point
Prevent future clogs by running your garbage disposal before starting the dishwasher (if connected to one) and scraping large food scraps off plates instead of rinsing them.
The drain hose is usually located behind the bottom front panel (kickplate) of the dishwasher. When to Call a Professional Once the water
Don’t Let a Gunked-Up Hose Ruin Your Dishes: How to Clean Your Dishwasher Drain Hose
If the hose is grimy but not fully blocked, a chemical clean is best.
The good news? You don’t need to call a plumber. With a little elbow grease and about 30 minutes, you can clear that hose and get your dishwasher back to peak performance.
There are few household frustrations greater than opening your dishwasher after a cycle, expecting sparkling clean dishes, only to be greeted by a pool of murky, grimy water at the bottom.