Ink jet delivery systems for a fluid composition comprising from about 50% to about 100%, by weight of the composition, of an active mixture. The active mixture having a vapor pressure less than about 2.3 kPa at 20 C. The composition also comprising about 0% to 50%, by weight, of a carrier volatile composition having a vapor pressure above about 2.3 kPa at 20 C and an ink jet head for delivering the fluid composition into the air.
