Don't put acids in the wash water if you're using regular lye-based soap. Acids cause the soap to break down so it doesn't function properly. Use acids only in the rinse water.
Borax or washing soda in the wash water are useful. Baking soda is a waste of money. Borax or washing soda are far more effective.
Borax or washing soda in the wash water are useful. Baking soda is a waste of money. Borax or washing soda are far more effective.