Originally Posted by Aussiemum777
I use the 100% pure Canadian stuff and it always stays in the pantry, even during our hot Australian summers, never had a problem with crystallization or it going bad.
Probably cuz it's the 100% stuff. The stuff we get here isn't 100%; it's often just flavoured syrup. Golden syrup is more popular over here; and that often crystalises if you leave it for too long. Not talking about days, weeks, months here; you get a bit of crystal if you leave it years.