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Concentrated Homemade Laundry Soap

Posted on November 10, 2011

A few months ago you may remember that I made my first batch of homemade laundry soap. In my first attempt I felt my original soap recipe was a bit too runny and I wanted to try the process again

In this new batch of soap, I made a more concentrated soap by using less water. It’s still liquidy but not so watery which I like much better. I tweaked the original recipe and this is my newest recipe for a more concentrated homemade laundry soap.

Large metal cooking pot at least 4 quarts or bigger
2 gallon plastic bucket for final soap container
1/2 bar of Fels-Naptha laundry soap
1/2 cup Arm & Hammer washing soda
1/2 cup 20 Mule Team borax powder
6-7 drops of essential oil (Optional)

Grate 1/2 of the bar of Fels-Naptha soap and place in cooking pot. Add 6 cups water and heat gently over low to medium-low heat stirring occasionally until the soap melts. Turn heat to low, add the washing soda and the borax stirring until all ingredients are dissolved.

Pour 4 cups of very hot water into the plastic bucket. Now quickly add the cooked soap mixture to the plastic bucket mix and stir well. I added 6-7 drops of lemon essential oil to the mix at this point. This is an optional ingredient but the bit of oil gave my final soap just a hint of fragrance. Now add 1 gallon of hot water to the plastic bucket mix and stir well again. Let the soap mixture sit at least 24 hours to gel.

This recipe resulted in a much less watery soap mix and I use 1/3 cup of soap in my top-loading large washer. For best results I place the soap in the washer and use a little hot water to dissolve the soap before placing my clothes into the washer. As a reminder this soap can be used for stain treatments by either pre-soaking or spot treat the stain directly with a small amount of soap before washing.


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5 Responses to “Concentrated Homemade Laundry Soap”

  1. amayao
    Nov 11, 2011

    This is a good post, I should share this method in our women’s bimonthly meeting. We are given a task to share homemade things to our fellow women in the community.

  2. Misty
    Nov 16, 2011

    My sister swears by this recipe! She even convinced me to make it and I love it. It makes the whole house smell amazing. I got desperate and even used it to mop the floors 🙂

  3. Lori
    Dec 29, 2011

    I have been making my own laundry soap using the same ingredients you listed for a few years now. I didn’t want to mess with the cooking and water, so I make a powdered version. I blend it together in the blender so it is very fine and dissolves in the washer.

  4. Tami
    Jan 26, 2012

    I was wondering if you can answer a question for me: Do you still get a bit of ‘water’ at the top? I wish I could get it all t congele. Any suggestions?

  5. Cindy
    Jan 27, 2012

    Tami — Yes I still have some water stuff but it’s just really soap so its okay for me. I don’t know if there is any way to completely get rid of it unless you whip it in a food processor as I have seen one person do in a post. But for me its fine and it cleans my clothes great. I just made my second batch of this and love it.

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