Ãâ°Storage
Hop Oil should be stored < 10ðC (50ðF) in screw top bottles. If aluminum bottles are not used, exposure to light must be avoided.
Ãâ°
Best Before Date
Hop Oil is stable 1 year from date of production under the recommended storage conditions.
http://www.hopsteiner.com/wp-content/uploads/2016/02/SS_Hop_Oil.pdf
Thanks ravey - I better use it quickly then as I have no idea when it was made.