The specific method is as follows:
1. Ready
First of all, you need to prepare a watering can, and the water inside is preferably pure water. At the same time, you need a board or newspaper to pad the ground to prevent water stains from polluting the ground.
spray water
Next, you need to spray a proper amount of water evenly on the wall with a watering can, so that the wall is soaked by water.
3. Process control
The amount of water sprayed needs to be controlled moderately, neither too little nor too much. If it is too little, water cannot penetrate into the wall and formaldehyde cannot be removed. If it is too much, it will cause the wall to be wet and deformed. In addition, the spraying time should also be controlled within a suitable range, spraying water for about 15-20 minutes each time, and then waiting for the wall to dry naturally.
4. Multiple operations
Removing formaldehyde from the wall by spraying water is a mild method, which requires many operations to achieve good results. Usually, it is necessary to spray water continuously for 2-3 days at an interval of 1 day to effectively remove formaldehyde from the wall.
Generally speaking, spraying water on the wall to remove formaldehyde from the wall is a simple and effective method, but it is necessary to control the amount and time of operation to avoid more problems caused by misoperation. In addition, you need to be careful when spraying water to ensure your own safety. In addition, we should pay attention to the triumph of ventilation every day to ensure the circulation of indoor air and reduce the harm of formaldehyde to human body.