300 grams of black tea is soaked in two washbasins of hot water, put in the room, and open the window for ventilation. Within 48 hours, the indoor formaldehyde content decreased by more than 90%, and the pungent smell was basically eliminated.
Buy 800g granular activated carbon in addition to formaldehyde. Divide the activated carbon into 8 parts, put them in plates, and put 2 to 3 plates in each room, which can basically remove indoor odor in 72 hours;
Prepare 400g coal ash, repackage it with washbasin, and put it in the room where in addition to formaldehyde is needed. The formaldehyde content can be reduced to a safe range within one week. The above methods are also applicable to families without peculiar smell after decoration, because some harmful substances are colorless and tasteless, and the cleaner and safer they are;
Put the soaked tea leaves in the refrigerator to deodorize. If there is no tea, you can also cut lemon or Liu Ding, as long as it is half a piece. In addition, wiping the inside of the refrigerator with a rag stained with beer will eliminate the odor;
There are also many green plants: aloe, chlorophytum and Huwei orchid absorb formaldehyde. Evergreen trees and daisies were diluted to remove trichloro.