Adblu low temperature warning

[Ian_H]

Hi All
I've just stuck 10 litres of adblu in my van. The brand was Carlube, bought from a Morrisons garage. Only after did I bother to read the label which stated:
"Product should be kept between 0C to 30C, in event of freezing, slowly heat up for continued use."
Is this warning standard on all brands, and does it have any real implications for driving the van in cold snaps?

 

[Scottish Scrutineer]

It is all basically the same product in the can or tank. It should be stored above freezing, hence the advice not to buy cans that have been sitting out on forecourts.
The vehicle tanks have a small heating element in them, after all they have Euro 6 vehicles in Sweden, Norway, Denmark etc.