DIY Liquid Laundry Soap

For the last couple of years we have been using the following recipe for liquid laundry soap, but sadly I cannot credit the original web page because I can’t find the link. This is a fabulous recipe that makes 10 gallons of soap and will last my family of three about 5 – 6 months. We started out using gallon milk jugs but switched to heavier gallon juice jugs instead, I believe they were Hawaiian punch containers.

You will need:

1 bar finely grated Fels-Naptha soap

½ cup Borax

1 cup Arm & Hammer Super Washing Soda (NOT baking soda)

5 gallon bucket with lid (we got ours from the Wal-Mart bakery, it used to hold frosting)


10 one-gallon jugs


  1. Grate the entire bar of Fels-Naptha soap.
  2. Add the soap to a large pot with 4 cups of water. Stirring continuously over medium-high heat unto all of the soap flakes has dissolved, about 10 minutes.
  3. Fill the 5-gallon bucket half full with hot water
  4. Pour in the soap mixture. Add the Borax and washing soda and stir to dissolve and incorporate.
  5. Fill the rest of the 5-gallon bucket with water until it is full. Stir again.
  6. Cover and let sit overnight
  7. When you open the top the next day, it should have gelled and thickened slightly. Stir it once again.
  8. Using a clean funnel, fill each gallon jug half full of the soap mixture. Fill the other half with water, and shake.
  9. Use about ½ cup per load.

I don’t remember how this breaks down per load, but the only thing we have had to purchase again is the bar soap, we are still using the original boxes of Borax and Washing Soda that we purchased the first time we made this.


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