How to wash cloth diapers? How to wash poopy cloths diapers? How to wash poop from cloth diapers? Washing cloth diapers 101 Cloth Diaper Laundry Step one: pre-wash with line one of detergent for 30 minutes. Step two: heavy duty wash or the longest cycle on washing machine with the recommended amount of detergent. We suggest Tide Original. After your wash cycle, you can either line dry it or tumble dry it for no more than 10-15 minutes on low to medium heat. #clothdiapers #clothdiapermama #clothd