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Yes: minus 18
One of the reasons: different foods have different freezing points.
As long as there is liquid water in the food, it is equivalent to providing the necessary conditions for the reproduction of various bacteria. When the temperature of the beef carpaccio is -4, only 70% of the moisture is frozen; When the temperature drops to about -9, there is still 3% of the moisture that is not frozen; Even when the temperature of the beef flakes drops to -18, not 100% of the moisture is frozen.
Reason 2: Psychrophilic microorganisms-18 stop multiplying.
In general, mesophiles, which can cause food spoilage and food toxicity, do not produce toxins at less than 3 levels, with the exception of a few species. In the case of psychrophiles, it is generally not until -10 to -12 that they stop growing. Some molds don't even stop growing until -15 to -18.
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Under normal circumstances, it should be adjusted to minus 18 degrees, if there is less food, there are no special requirements, it can be adjusted higher, between minus 12-16 degrees, so that it is relatively energy-saving, and the temperature of the refrigerator should be between 4-8 degrees.
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It should be between minus 17-23 degrees. The food that is put in is frozen faster and has a longer shelf life.
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What is the optimal temperature in the freezer compartment of the refrigerator; The optimal temperature in the freezer compartment of the refrigerator is -18 degrees below zero::
Because this kind of minus -18 degrees is relatively fast in the case of rapid freezing, it is conducive to speeding up the rapid freezing of food.
And it is constant all year round.
My refrigerator is at this temperature, it hasn't changed all year round, and it's been used for several years now, which is good.
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1. How many degrees is appropriate for refrigerator freezing.
The temperature of refrigerator freezing is generally minus 18 degrees, in fact, most refrigerators in the refrigerator room will have an adjustment button 1-7 gear, in the summer you can adjust the button to 2-3 gear, in winter you can adjust it to 6-7 gear, mainly due to the outside temperature will affect the performance of the refrigerator, so that the difference in shifting, so that the refrigerator outside has a good combination, usually the temperature of the refrigerator can be kept at 5-8 degrees.
2. Precautions for the use of refrigerators.
1. When handling.
That is, when lifting the refrigerator, it must be lifted vertically, and the tilt angle should not be lower than 45 degrees, let alone horizontally, because there is refrigeration oil in the refrigerator, if it is lower than 45 degrees, the refrigeration oil will flow into the refrigeration pipeline, which will also damage the refrigerator and decoil the compressor.
2. The refrigerator should use a special power supply.
The refrigerator should use a special three-phase power socket, with an electrical voltage of 220V, so as not to share the socket with other electrical appliances, and the grounding should be good, and the refrigerator can not restart the power immediately after disconnecting the power supply, and be sure to wait for 5 minutes before turning on the power.
3. Refrigerator placement.
The refrigerator must not be placed in direct sunlight, or near the gas stove, suitable for ventilation, cool place, so that the power consumption is low, and when the refrigerator is running, the box shell will be very hot, so there should be at least 10 cm away from the wall, at least 30 cm away from the top surface, some people put the refrigerator in the kitchen with heavy oil smoke, if it is stained with oil, then cleaning will be very troublesome.
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The freezer temperature is generally minus 18 degrees. The refrigerator freezing room can be set at minus -18 degrees, and this sub-zero temperature is relatively fast when it is frozen, which is beneficial to speed up the rapid freezing of food. The freezer compartment of the refrigerator plays a freezing role, the temperature is too low to freeze into ice, and the temperature is too high to play its role well, so the temperature of the freezer is kept at minus 18 degrees Celsius, so that the refrigerator is not easy to freeze and frost
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Hello, there will be adjustment buttons 1-7 gears in the refrigerator compartment of the general refrigerator, you can adjust the button to 2-3 gears in summer, and you can adjust it to 6-7 gears in winter, mainly because the outside temperature will affect the performance of the refrigerator. In general, the temperature of the refrigerator room is kept at around 5-8 degrees.
Therefore, your freezer temperature of 5 8 is optimal, and it is good to freeze some food at this time, which can effectively extend the shelf life.
Questions. My 7 is cold and windy, there is no gear, how many degrees should be appropriate.
My house is cold and windy, there is no gear, how many degrees should be appropriate.
I'm going to ask about the freezer, not the freezer.
My refrigerator is smart and double-door.
Okay, dear. Questions.
We are from the Heilongjiang region.
Hello, the freezer temperature should be below minus 18 degrees Celsius, and the refrigerator temperature is mostly between 0 and 5 degrees.
You can adjust the temperature and adjust it.
Questions. What is the right amount below 18 degrees?
As long as it is below -18 degrees Celsius, you can adjust the temperature close to that!
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The freezer temperature should be below minus 18 degrees, and the refrigerator temperature is mostly between 0 and 5 degrees. If the refrigerated room temperature control knob is mechanical, it will be more than 4 gears in summer, 2 to 3 in winter, and 3 to 4 in spring and autumn. In fact, the choice of how many gears to adjust is based on the amount of food stored in the refrigerator and the characteristics of the food.
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If you want to adjust the temperature of the freezer, the first thing to look at is what kind of food you are putting in. For example, some fresh meat, so that the temperature is best adjusted a little lower, can be adjusted to minus 18 degrees Celsius, which will be more conducive to preservation, and if it is some fish and shrimp and the like, it can be adjusted to zero, so that it will be able to maintain the original freshness in preservation, and it is not easy to spoil.
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The temperature of the freezer compartment of the refrigerator should be optimally adjusted to a serving of minus 18 degrees, so that yours. He can freeze everything all the time, and the second can also be saved.
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The method of adjusting the temperature of the refrigerator freezer should be adjusted in a smaller digital gear in summer, in the middle of spring and autumn, and in a larger digital gear in winter, so as to keep the temperature of the freezer at about minus 18 degrees and the refrigerator between 4-8 degrees.
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There are two kinds of refrigerators, one is geared and the other is temperature adjusted.
If the temperature is adjusted, the refrigerator is between -2 -8 degrees, and the freezer temperature is about -18 -24 degrees!
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It can be less than minus 5 degrees, it is too low, it costs electricity, and it is not necessary.
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Under normal circumstances, the freezer compartment of the refrigerator should be set to adjust about minus 18, and the refrigerator room should be about 5 degrees. This is not only conducive to the freezing and preservation of food, but also relatively energy-saving.
<> common sense of refrigerator use:
1. After the new refrigerator is purchased, it should be wiped several times with a clean rag, but do not close the door after wiping it clean, open the door to let the odor inside dissipate and then use the electricity, or use an electric fan to blow it inside to speed up the emission of the odor.
2. After the new refrigerator is carried back, it should be left to stand for a few hours before powering on the test.
3. The refrigerator should be placed in a cool and ventilated position, and a certain amount of space should be left around it to facilitate the ventilation and heat dissipation of the refrigerator and improve its refrigeration efficiency.
4. When the machine is powered on, the temperature setting of the freezer should be adjusted to minus 18 degrees, and the temperature of the refrigerator should be about 2-6 degrees. The mechanical thermostat should adjust the size of the digital gear according to the ambient temperature of the season, adjust the smaller digital gear in summer, adjust the middle gear in spring and autumn, and adjust it in the larger digital gear in winter.
5. When the machine is powered on, do not put in the food first, wait for the temperature in the refrigerator to drop and stabilize, and then slowly put in the food after the compressor starts and stops normally, and do not put too much food at one time to avoid overload of the compressor.
6. The food placed in the refrigerator should be sealed and wrapped in a container or food bag to avoid odor caused by mutual odor.
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It is advisable to set the temperature of the refrigerator between 0 and 5, as the temperature in this range can effectively prevent the growth of bacteria, thereby prolonging the freshness of the food products.
Meat, poultry, seafood, temperature between 0 and 4.
Fruits and vegetables: Certain fruits such as strawberries, grapes, etc., and leafy greens can be placed in the lowest temperature fruit and vegetable box, and the temperature is generally set to 0 to 2;
Dairy products such as yogurt, cheese, and butter have a temperature between 0 and 4.
Drinks, juices, beer, etc., at temperatures between 2 and 7 years.
Frozen pork should not be better for 2 months when it is below minus 18 degrees, otherwise it will taste strange and the taste will be very poor; Dear, it has been frozen for so long, it is recommended to wash it, and when eating, you need to stir-fry and add some peppercorns, chili peppers and other ingredients to cover its smell; If you don't want to eat it, just throw it away.
Generally speaking, weak is definitely the most power-saving, but at the same time of saving power, it sacrifices functionality, and the refrigeration effect will deteriorate, so it is generally recommended to adjust to the mid-range, which is very average.