1.Place 300 grams of black tea into two basins of hot tea, put into the room, and open a window for ventilation. The formaldehyde content in the room will drop by more than 90% within 48 hours, and the pungent smell will be basically eliminated.
2. Buy 800g granular activated carbon to remove formaldehyde. Divide the activated carbon into 8 parts and put them into plates. Put two to three plates in each room. The indoor odor can be basically eliminated within 72 hours.