Our washing machine cleaning effervescent tablets contain cocamidopropyl betaine, disodium EDTA and sodium bicarbonate. It can efficiently kill bacteria, quickly remove odors, and keep fresh for a long time. Its use method is very simple: 1. Take 1-2 pieces of this product into the washing machine; 2. Stop water injection after 15 minutes and soak for 3 hours; 3. Finally, open the daily washing mode for cleaning. Powerful decontamination formula, can easily dissolve the dirt in the washing machine, keep the washing machine clean as new.