The items that will be needing are:
Arm & hammer Super Washing Soda
20 Mule Team Borax
Fels-Naptha
Measuring Cup
Whisk
Grater
Pot
Funnel
Funnel
2 gallon bucket
Step 1:
Grate 3/4 cup of Fels-Naptha, which is about 1/3 of the bar
Step 2: Pour the soap and 3 pints of water into a pan on low until dissolved
Step 3:
Once dissolved add 1/2 cup of borax and 1/2 cup of super washing soda.
Remove from heat and add 1 quart hot water to 2 gallon bucket. Add soap
mixture from pan and mix well. Fill bucket with additional hot water
until you have 2 gallons. Mix well. Set aside for 24 hours, or until
mixture thickens.
Step 4: After sitting for 24 hours it should be jell-like on the top, whisk it or use an electric mixer and mix until thoroughly stirred.