[header] How to clean household cleaning tools [title] Run an empty cycle. [step] Every few weeks add bleach in the soap box or a cup of vinegar and run on the highest temperature. [title] Clean dishwasher once a week. 
[step] Clean your dishwasher by leaving it open to cool after you run it about once per week. That way all the steam can escape and it won't build up on the racks in your dishwasher.