Shelf Life of AdBlue® (Diesel Exhaust Fluid) It is recommended that AdBlue® be stored out of the direct sunlight and below 35 deg C. Where higher ambient temperatures are experienced, tanks should be insulated or stored in a shaded area.The storage temperature range between 10 ℃ and 35 ℃, the shelf life floating in 12 to 36 months in this range. Expiration Dates Each package is stamped or ...