

Step one: clean the machine. Just like you wouldn’t expect to be clean using a dirty bath or dishes in a dirty sink you won’t get clean clothes in a filthy washer. Options are 2+ cups citric acid crystals or a commercial product based on oxy (sodium percarbonate) run using a self-cleaning mode or full wash at max temperate for max duration. It may take several cycles depending how bad it is. Note: citric acid does not create suds. If you get a lot of suds in an otherwise empty load then that’s the citric acid removing residual detergent. Repeat till you don’t get suds.
Step two: clean your clothes. If they smell musty straight out of the wash then they’re not getting cleaned in the wash. Use the hottest setting the clothing care tag allows, wash for the longest time the machine is capable of, and add extra rinses. For chemistry, use high quality detergents (Tide, Persil, others depending where you live), add a booster product with enzymes (varies on country: Biz if US, Resolve Gold if Canada, Vanish down under), and add a tbsp of citric acid in the final rinse (not in the wash!) Avoid fabric softeners as the can contribute to the stinky buildup in the textiles you’re trying to remove.






Citric acid is better than vinegar in this application. Chemically it’s 3 times more powerful. A couple cups of crystals in an empty cleaning cycle is better than filling the while machine with undiluted vinegar.