washing soda

Also, Wang says, the washing soda used in stripping can combine with deposits in hard water to create additional residue on fabrics.

On Earth, sodium carbonate is often known as washing soda or soda ash.

The culprit turned out to be sodium carbonate, or washing soda.

Why buy laundry detergent when you can just grate some soap and put it in a jar with washing soda?

Add the grated soap to 250ml each of washing soda and borax, mix well.