Our home bathroom detergents contain disodium EDTA, sodium bicarbonate, lauryl ether 7. It can quickly break down and dissolve stubborn lime, calcium deposits and hard water stains, keeping the bathroom clean and sanitary. Its use method is very simple: 1. Spray the product on the place that needs to be cleaned; 2. Wait 1 minute for the stain to dissolve and wipe it off. It can clean all kinds of surfaces, such as ceramics, ceramics, glass, stainless steel, etc., with good decontamination effect.