How to wash dirt off a towel?
After using the towel for a period of time, due to the free calcium and magnesium ions in the water and soap, calcium magnesium soap is added to the surface of the towel, making the towels yellow and hard, and how to make towels soft and easy
In 3 kilograms or so, add 20 grams of edible alkali or proper softener for 10 minutes, then rinse it with warm water and cold water several times.
