Cleaning the things that clean seems obvious but it is easy to overlook. Here is our quick checklist: ✅ Run your dishwasher empty on its hottest cycle at least once every 4 weeks to help kill any lurking bacteria. ✅ Wipe around the door seals with an antibacterial cleaner every couple of days ✅ Remove and clean the filter a couple of times a month.. What other tips do you have to help keep your dishwasher in optimum condition? | Hotpoint