water 1/3 bar Fels Naphtha soap -- grated 1/2 cup washing soda 1/2 cup borax
Place the grated soap in a a pan with 3 pints of water, and heat until dissolved Stir in washing soda and Borax. Mix until melted.
Remove from heat. In a two gallon bucket, put 1 quart of hot water, then add the soap. Mix. Fill bucket with cold water. Mix until well blended. Set aside for 24 hours. It will gel. Use 1/2 cup for each load of wash.