cup original blue Dawn dish soap cup white vinegar Heat the vinegar in the microwave for 1 minute. Pour both ingredients into a plastic spray bottle and spray evenly over the tub. In one hour, come back and use a cleaning rag to wipe away all the grime.
How to clean a dishwasher. To do about every 6 months. Great to do when moving into a new home.*Note: run dishwasher through a cycle with plain water first to avoid reaction between vinegar and leftover chemicals.