2 1/2 cups of Super Washing Soda
2 1/2 cups of Borax
1 cup of baking soda
1/2 container of Purex scent crystals
Optional: 1 cup Oxygenated powder
Cut up the Fels Naptha bar into medium chunks.
Add Fels Naptha chunks and the 1/4 cup of baking soda to a food processor (preferably one just used for non food items).
Pulse in the processor until the soap is finely ground.
Put in a tightly closed container. Use 1-2 tablespoons per load.