Tutorial: Making Homemade Powder Laundry Soap

With a baby in the house, we wash a ton of clothes.  I’d say we wash at least 8 loads a week.  After buying another container of Gain for $11, I thought I would give homemade laundry soap a try.

I am choosing the dry method for this tutorial.  I purchased all the ingredients for this at my local Kroger in the laundry supply aisle.  I used Fels-Naptha for the bar soap.  Some people have used Ivory, Dove, etc… Do not substitute baking soda for washing soda.  They are not the same thing.

Ingredients:  Makes approximately 2.5 cups = 40 tablespoons = 40 loads.

1 bar soap
1 C. Washing Soda
1/2 C. Borax

1) Grate the soap into fine pieces.

I used 3 methods to grate the soap to see which one was the most efficient and worked the best.

A) The medium-fine side of a box grater.

It took about 10 seconds to do this little corner.  That’s a lot of grating to do!

B) A Black and Decker mini-chopper.

 I used a bread knife to cut the soap.  It cut easily with downward pressure.

I then chopped up the cut block a little bit.  It had the consistency of a firm cheese.
 

I pulsed the chopper about 4 or 5 times and it crumbled the bits.  I held the button down for a steady 5 seconds and the pieces did not get any smaller.

C) A Cuisinart processor.

I put the same sized soap crumbles into the Cuisinart and did a couple pulses of grind and a couple pulses on chop.  Within 10 seconds, the soap had been finely ground.

The results:

The Cuisinart was the winner.  It took 20 seconds to shred the soap.  The particles were uniform and fine.  The second best was the box grater.  It took 20 seconds to grate 1/8 of the bar, but also had uniform and fine particles.  Lastly, the Black and Decker just couldn’t cut it.

 2) Dump the grated soap in a container and mix in the washing soda and Borax.

 3) Store detergent in a sealed container. 

Use 1 tablespoon for a full load up to 2 tablespoons if it is really dirty.  We use one baby formula scoop per wash, which is about 1 1/2 tablespoons.

Is it worth it?

The total cost of the ingredients were roughly:  $9.10
The total cost of the ingredients in the recipe:  $1.88
Cost per load (1 Tablespoon): $0.04

Gain Detergent – Powder, 63 oz, 40 loads: $7.25 = $0.18 per load

Using homemade detergent over Gain saves $0.14 per load.  At 416 loads per year that’s a savings of $58.24. 

From start to finish, minus the trial and error, I would guess it takes about 20 minutes max to make a batch of soap.  I would say it is worth it.

But does it work?  Tune in next week to find out.  I will be doing a dirt test between Gain and my homemade soap.

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3 Responses to Tutorial: Making Homemade Powder Laundry Soap

  1. […] made a batch of powder laundry soap a little bit ago and have used it for about 10 loads of laundry: colors in cold water, whites in hot […]

  2. […] running out of my surprisingly excellent homemade powdered laundry detergent ,I set about making a new batch.  During my research for the powdered detergent, I found that the […]

  3. […] verdict:  I was not crazy about the liquid soap and how it cleaned.  I love my powder laundry soap recipe and the results I get from that.  I don’t see any reason to make the liquid soap […]

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