6 Loads of Laundry for the Price of 1. It is possible and simple with the Best Homemade Laundry Detergent Recipe. Safe for High-Efficiency Machines too!
Finely grate the Fels-Naptha using a box grater or a food processor.
Mix the grated soap with all of the dry ingredients in a large bowl or container.
Add essential oil or fragrance if desired (optional)
When doing laundry use 2 tablespoons (1/8 cup equivalent) for a normal size load. You may increase by 1 - 2 tablespoons for an extra large load as needed.
Store in a airtight container
Notes
You can use any bar soap. If your family has sensitive skin try using Ivory for a gentler detergent.