Washing soda is probably one of the ingredients in a lot of the cleaners you use, but what is washing soda exactly? Washing soda is the powdered form of a chemical compound called sodium carbonate.

What's the difference between baking soda and washing soda? Though washing soda (also known as sodium carbonate or soda ash) ...

Add to a large jug or saucepan and pour over the boiling water. Then add your washing soda and washing-up liquid. Stir until dissolved and then add your essential oil or food colouring if preferred.

Hard water can be softened by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column. Sodium carbonate, Na 2 CO 3, is also known as washing soda. It can ...