Washing soda can be difficult to find. If you've had no luck locating it so far, here are some ideas as to where you can look.
DIY Laundry Boost with Baking Soda and Epsom Salt
How to get the Best Baking Soda and Vinegar Reaction!
DIY Washing Powder {No Borax} - Simple Living. Creative Learning
Easily Turn Baking Soda into Washing Soda in the Oven - Zero-Waste Chef
Epic Washing Soda – rusticstrengthwholesale
18+ Uses for Washing Soda
How to Clean a Smelly Washing Machine — Meliora Cleaning Products
This Laundry Product Works Wonders All Around the House
Homemade Natural Laundry Detergent Powder - The Blender Girl
How to Make Washing Soda: 14 Steps (with Pictures) - wikiHow
Epic Washing Soda – rusticstrengthwholesale
DIY Laundry Detergent - Simply combine washing soda and Harris Borax in equal parts plus soap flakes or castile soap for a homemade detergent Laundry
Harris Washing Soda, Sodium Carbonate, Laundry Booster and Multipurpose Cleaner, 10lb
How To Make Washing Soda From Baking Soda And Why You Would Want To – Gippsland Unwrapped
ARM & HAMMER™ Super Washing Soda, Detergent Booster