Our washing machine cleaning powder contains cocamidopropyl betaine, disodium EDTA and sodium bicarbonate. It can have a variety of functions such as cleaning, antibacterial, anti-mite, deodorization, deep cleaning of stubborn stains in the washing machine tank, and provide all-round protection for family health. Its use method is very simple: 1. Pour this product directly into the washing machine tube. 2. Add water to high water level and run the washing machine for about 5 minutes to completely dissolve the product. 3. Turn off the power and soak for 1 hour. When used for the first time or with serious dirt, it is recommended to soak for 2-3 hours. 4. Wash once according to the daily washing, rinsing and dehydration process of the washing machine. 5. After cleaning, dry the washing machine bucket with a towel. Effectively remove the smell of the washing machine sink and avoid secondary pollution in the laundry process.