Stay consistent, and your washing machine will be fresh ... to clean out your washer. A cleaning solution of hot water and bleach or hot water and vinegar is what you'll want to use to scrub ...
I specialize in repairing and cleaning ... grease in it. My favorite cleaner is Pine-Sol, bleach, Lysol. Vinegar is more of what I recommend for people to use through a washing cycle.
An expert has issued a warning about one popular cleaning product that could ruin your washing machine ... suggest foregoing bleach in laundry cycles, instead use white vinegar or oxygen bleach ...