Our multi-surface cleaning effervescent tablets contain sodium bicarbonate and citric acid. It can quickly dissolve various stains on the surface, including oil stains, scale, etc., and it is easy to clean the contaminated surface. Its use method is very simple: take an effervescent tablet, put it in water, wait for it to dissolve, soak the items that need to be cleaned in mixed water for 5-10 minutes, and rinse with clean water. And can be used for cleaning and decontamination.