Our glass cleaning effervescent tablets contain citric acid and sodium bicarbonate. It can purify and prevent dust on the glass, and has a good cleaning effect. It also prevents the glass from fogging and makes the glass clearer. The way to use it is simple: you can fill a basin with warm water and put cleaning tablets in it to dissolve it. Put the solution in a spray bottle and spray it on the glass or wipe the glass with a damp towel. And can help physical diffusion by releasing carbon dioxide, promoting the dissolution of stains.