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 How to Make Your Own Laundry Soap

(5 gallons for about $2.00)

Making your own laundry soap can save you a lot of money!  If you bought 5 gallons worth in the store you would be paying around $100!  You could be paying more depending on the brand.  You can make 5 gallons of laundry soap for $2.00.

When you buy all the ingredients for the first 5 gallons – it comes out to about $7.00 – but there is still borax & washing soda left, so all that I need to buy for the next few batches is the Fels Naptha soap (which is only .97 cents!).

That makes 20 gallons for under $10!

You can use essential oil for scent, but that’s completely optional.  The essential oil adds nothing to the cleaning power, but does give it a nice smell if you’d like to have it.

So, are you ready to make your own laundry detergent & rack up the savings?

Here’s what you need:


Arm & Hammer Super Washing Soda (NOT baking soda)

5.5oz Fels-Naptha Soap (you can also use Zote or castile soap – about the same amount, you don’t have to be exactly precise)


    5 gallon bucket


  1.  Grate up your Fels-Naptha soap.  Or you can substitute Zote or pure castile soap.
  2.  Add the soap shreds to a pot with 4 cups of hot water.  Put the heat on medium-high, and stir until completely melted – about 10 minutes.
  3.  Fill up a 5 gallon bucket halfway with hot water.  Pour in the melted soap mixture.
  4.  Then, stir in 1 cup of borax & 1 cup of washing soda.
  5.  If you’re using the essential oil, now is the time to add it.  You add in 1/2oz to 1oz, depending on how scented you want it.
  6.  Now, fill up the bucket with warm water all the way to the top – and stir again.  If you don’t have a utensil long enough to reach the bottom, just put on a pair of rubber dish gloves beforehand.
  7.  Snap on a lid, and let it sit for 24 hours to thicken up a bit.

Now you can divide it up between different containers (empty laundry detergent containers, plastic gallon jugs, etc.).

Some people like to dilute it even more at this step (there for turning the 5 gallons into 10 gallons) – filling their container halfway with the gel & then the other half with water.  You can choose to do this if you like.  However, we prefer to not dilute it further.  We feel like the cleaning power is stronger this way.

For HE front loading washers, use 1/2 cup for a large load.  For regular top-loading washers, use 3/4 cup for a large load.  The Super Washing Soda helps with stains and odors, and the Borax works just like color- safe bleach.  All the ingredients for your homemade laundry detergent are also safe for septic tanks.

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