How to Make Washing Soda

How to Turn Baking Soda Into Washing Soda with One Ingredient and One Hour - Clean Mama

Have you heard of washing soda or super washing soda?  It’s a common ingredient in DIY cleaners and sold under the Arm & Hammer brand name.  It’s a laundry and detergent booster, odor and stain remover. Washing soda is great ingredient to have in your repertoire.

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Super Washing Soda

All it is composed of is sodium bicarbonate (baking soda) and water – that’s it!  PLEASE NOTE:  You DO NOT need water for this recipe, the baking soda already has the ‘ingredients’ necessary for the recipe – it just needs to be heated to change into washing soda.  If you can’t find washing soda (it’s readily available in the US but not worldwide) or just want to try a little science experiment in your home, keep reading!

Gather Your Supplies - Clean Mama

Here’s what you need to make your own washing soda:

  • rimmed baking sheet or baking dish
  • oven pre-heated to 425 degrees
  • 2-3 cups of baking soda

Put Baking Soda in Dish - Clean Mama

Place the baking soda on your baking sheet or dish and then in a 425 degree oven.  Stir 3-4 times in the hour.  At the one hour mark, check the consistency of the baking/washing soda.  If the consistency hasn’t changed, continue baking and check every 5 minutes until it shows a change in the consistency.

Place in 425 degree oven for 1 hour - Clean Mama

Once it has been transformed, it will have a different texture, look, and feel.  When you see that that has happened, you have washing soda!

The Difference Between Baking and Washing Soda - Clean Mama

Have you ever made your own washing soda?  You can use washing soda in homemade laundry soap, as an additive with your favorite detergent (use 1/4-1/2 cup per load to boost performance and up to 1 cup for heavily soiled laundry), and in a soft cleaning paste to name a few cleaning ideas.

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Comments

  1. So…. what do I do with said washing soda once I have it?!!?!

  2. Anita Dotson says:

    To use as laundry detergent I would say but not sure how much to add to your machine..

    • Add 1/4-1/2 cup with your detergent for a laundry booster and up to 1 cup for heavily soiled fabrics.

  3. I think my brain is missing some stuff, too, hehe. 🙂 You said it’s baking soda and water…but you didn’t do anything with water, and in fact I think *dehydrated* it in the oven (if that’s possible). Help, I’m lost! lol I’d love a little more of the science! 🙂

    • The water is in the baking soda already – all you need is baking soda and an oven 🙂 I edited the post to clarify. xo

  4. This is great to know, I had no idea. Thanks for the info

  5. Kelly M says:

    I guess I don’t understand why you can’t just add Baking Soda to your laundry. Why does it need to be Transformed?

    • Heating it transforms the molecular structure that does more than deodorize – it boosts the cleaning power 🙂

  6. Do you add the soda to the detergent section of the front loader or directly into the drum? Thanks!

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