Sometimes paraffin or turpentine has been used instead; washing soda does not smell, but it dissolves the ink more slowly.
The only way in which to soften such water is to add to it an alkali, such as borax, washing soda, or bicarbonate of soda.
It is a substance, found only in Greenland, from which washing soda is made, and also some kinds of baking powder.
After clothes have been washed with washing soda or strong soap, they should be thoroughly rinsed.
The alkali is sold in various forms as soda ash, soda crystals, washing soda, etc.
That is why you should use a weak base, like ammonia or baking soda or washing soda, to neutralize any acid that spills on you.
Wash the bowl and other parts in hot water in which washing soda has been dissolved.
If food is burned on, boil in a solution of washing soda and then scour; wash and dry.
If you cannot get rid of odor, take the burner apart, boil it in a solution of washing soda, and put in a new wick.
Sal soda or washing soda is obtained by recrystallizing a solution of soda ash in water.