Homemade Laundry Soap With Fels Naptha | Hunker
Mar 22, 2018·Grate your soap thoroughly into a large bowl. Add 1 cup Borax and 1 cup of washing soda to the grated soap. Stir until thoroughly mixed (you can use a food processor for this if you like, but be sure to wash it thoroughly with very hot water and dish soap to remove all traces of the detergent before using it in food preparation).