Sodium Carbonate, Washing Soda
Product Information: Washing soda is a chemical compound that can be used to remove stubborn stains from laundry and is an essential component in most homemade laundry detergent for powder, liquid, or single pod formulas. It is often used in commercial detergent mixtures as well to treat hard water.
Usage: As a natural water softener, washing soda helps to dissolve hard water. To clean large areas, dissolve ½ cup Super Washing Soda in a gallon of warm water. Scrub area thoroughly and rinse well. Do not use on fiberglass sinks, tubs or tile.