Homemade 5-Minute Powder Laundry Soap - Live Simply
The high alkaline level allows washing soda to act as a solvent. Washing soda can also be used to fight against hard water, since the washing soda binds to the minerals, which in turn can boost laundry soap’s effectiveness. Washing soda can be found in the laundry section of most grocery stores, or made at home in the oven.