Any general purpose thermometer will be fine. You might even have one in your phone.
I keep the fridge at 5'C, because at 4'C it starts getting frost damage to things like lettuces and potatoes.
Quote:
Originally Posted by pip08456
Its also worth pointing out that the fridge setting has no bearing on the freezer.
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Depends on the model. With some, if the room is very cold and the fridge set too warm, it can fail to switch on at all and the freezer will defrost.