How to remove stains on the wall?

1, for general wall dust, wipe it with a clean towel. If it is particularly dirty, such as black handprints and footprints, you can gently wipe it with an eraser.

2. If it is a waterproof wall, you can directly scrub it with water and then dry it with a dry towel; Waterproof wall can be wiped with rubber or gently wiped with a towel dipped in cleaning liquid after wringing.

3. If there are children's crayon graffiti on the wall, just dip some cream in clean cotton cloth and gently wipe it. Because the cream contains emulsifier, it has a good wax removal effect.

4. Don't tear off the sticker left on the wall directly, it is easy to leave residual glue. You can blow it with a hair dryer first, and then gently pull it off after the tape becomes soft.

5. For special dirt with unknown reasons, you can rub it with bread or wipe it with old wool socks and sandpaper.

6. The sauce on the wall should be smeared with 1% hydrogen peroxide, and it can be smeared on a large area after it is effective.

Note: concentrated hydrogen peroxide has strong decoloration and corrosiveness, and 1%-3% is safe.

Second, if the wall is badly soiled.

If the stain on the wall is already very serious, you can use gypsum or precipitated calcium powder, rub it on the cloth, or gently wipe it with fine sandpaper; Squeezing some toothpaste on a wet cloth can erase the handwriting of pencils or colored crayons on the wall.