Reconnect the hose, tighten the clamp securely. Turn the power and water back on. Run a short “Rinse Only” cycle with 1 cup of white vinegar in the bottom (no detergent). Check under the sink for leaks.
Take the hose outside to a yard or over a large bucket. Run hot water from a garden hose or your sink faucet through it. You want to see clear, fast-flowing water out the other end. cleaning dishwasher drain line