A10:
Depending on the spray performance of the humidifier you are using and the installation conditions, it is not only in the area where the spray is visible to the naked eye, but even when it disappears, it remains in the space until it reacts.
Actually, various bacteria are present in the space, walls, floors, etc., so they react with them.
If hypochlorous acid does not react, it is thought that after convection of the space, it will adhere to the floor or wall.