No it’s technique. There are two ways to pickle something - hot and cold. The hot method uses boiling liquid that sterilizes the container by itself but the col

No it’s technique. There are two ways to pickle something - hot and cold. The hot method uses boiling liquid that sterilizes the container by itself but the cold method requires careful technique that keeps the container sterile until the food is loaded. Hygiene matters but only incidentally, since it’s easier to keep one’s work area clean when they are clean.