Current research shows that flowers need " fungal-free liquid ", " nutrients ", " air ", " sunlight " and " temperature ". Of these, " air ", " sunlight ", and " temperature " can be solved by reducing the amount of liquid until the stems come out a little, placing them in a bright place, or placing them in a place where the wind of the air conditioner is not directly hit. The However, the remaining “ liquid without bacteria ” and “ nutrients ” must change the liquid in the vase. However, there is no life-prolonging agent at home ... so little is known about what to put in such a case.
