Our powerful washing machine cleaning powder contains cocamidopropyl betaine, disodium ethylenediaminetetraacetate and sodium bicarbonate. It can have multiple functions such as cleaning, antibacterial, mite-proof and deodorizing, deeply clean stubborn stains in the water tank of the washing machine, and provide all-round protection for the health of your family. Its usage method is very simple: 1. Pour this product directly into the washing machine tube. 2. Add clean water to the high water level and run the washing machine for about 5 minutes to ensure the product is completely dissolved. 3. Turn off the power and soak for 1 hour. For the first use or when the dirt is severe, it is recommended to soak for 2 to 3 hours. 4. Clean once according to the daily washing, rinsing and spin-drying process of the washing machine. 5. After cleaning, dry the washing machine drum with a towel. Effectively remove the unpleasant smell in the washing machine's sink and prevent secondary pollution during the washing process.