Why does the freezer have to be set to -18°C?
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Es gibt kein Gesetz, was das so vorschreibt. Es ist nur so, dass einige Speisen nur bei -18 Grad und kälter lange haltbar sind. Bei vielen reicht aber auch -12 Grad.
Die Temperatur schwankt aber eh immer um einige Grad. So genau regelt kein Kühlschrank.
Und wenn Du neues Gefriergut reinlegst, erhöht sich vorübergehend die Temperatur. Wenn andere Sache da keine Schaden nehmen sollten, ist es gut etwas kühler einzustellen.
Dann gibt es noch Speisen, die werden beim Einfrieren “matschig”. Das kann man verhindern wenn man diese Schockgefriert. Das geht um so schneller um so kühler der Gefrierschrank eingestellt ist.
Hallo
Weil das Essen das du einfrierst nur länger halt wenn es kälter als -18° gelagert wird
Gruß HobbyTfz
Wer macht Dir so komische Vorschriften?