How do you store your urethane hardener

[Lownslow]

I use urethanes for clear but rarely get the hardeners to last more than 2-3 years before it hardens solid i notice it happens when im at the halfway for all the brands what tips you guys recommend? 

[bigdrag1]

Move it to a smaller can, less air means it wil last longer.

 

[peteski]

As I see it, regardless of how it is stored, stuff like that has a finite shelf life.  I had a small full (never used) bottle from Scale Finishes fully hardened in that bottle.  I waited too long my modeling project.

[Shark]

I keep mine in the house where it is not subjected to temperature changes . But it does have a shelf life like previously mentioned and 2-3 years is a long time for hardener to remain usable.