Ensure the hose forms a "High Loop" beneath your counter. Fasten the hose to the underside of the countertop or cabinet wall above the level of the sink drain. This prevents dirty sink water from siphoning back into your clean dishwasher. Turn on your water valve and restore electrical power.
For greasy buildup, pour a mixture of 1/4 cup baking soda and 1/2 cup vinegar into the hose. Let it fizz for 15–20 minutes before a final hot water rinse. 4. Reassemble and Test unclog dishwasher drain hose
Turn off the circuit breaker dedicated to the dishwasher, or unplug the unit from the wall outlet beneath the sink. Ensure the hose forms a "High Loop" beneath your counter
Find where the drain hose connects to the sink drain or garbage disposal. Turn on your water valve and restore electrical power
Reattach the opposite end to the sink drain or garbage disposal.
Secure the hose firmly with the clamps to prevent leaks.
Use a screwdriver or pliers to loosen the metal clamp and gently wiggle the hose free. Have your bucket ready to catch the "rush" of water. 3. Clear the Blockage