I suppose it is already asked before, but could not find it so quickly, but can anyone tell me what is the preservability of PG? What I mean is, how long can one use PG once you bought it..........
I'm asking, because here in Holland the smallest amount to buy is 5 liters....pretty much I think..........
I'm asking, because here in Holland the smallest amount to buy is 5 liters....pretty much I think..........