How to choose a reliable thermos? How to choose a thermos that retains heat for a long time.

Thermos is not only taken with you on trips and hikes. It is also convenient to infuse medicinal and vitamin decoctions, make yogurt and even brew porridge in it.

Classic thermos

A classic thermos with a small diameter neck (no more than 55 mm) is designed to maintain the temperature of drinks. It is needed by those who often travel, go hiking, are fond of hunting and fishing - depending on the season, it will help to warm up or quench their thirst. A classic thermos can also be filled with soup, but it is better to have a thermos for food for these purposes, since it will be very difficult to wash off greasy deposits in a deep and narrow vessel.

Thermo mug

The thermal mug is not designed to keep the drink hot for a long time, it is smaller in volume classic thermos, and to make it more convenient to drink, it has a fixed or removable handle, open or closed. But there are mugs without a handle at all - they take up less space in a bag or backpack. The volume of thermomugs varies from 0.25 liters to 0.7 liters or more. There are thermo mugs with strainers and with the possibility of adding ice cubes. Ceramic mugs are designed for home use. Thermal mugs come with a tightly screwed lid and a sippy lid. The latter are convenient to use in a car if it has a cup holder.

In a thermo mug, you can brew porridge or instant noodles on a long journey. The tea prepared in it will not cool down on the desktop if urgent matters tear you away from tea drinking. It is convenient to take a thermo mug-non-spill with you for a walk with children.

Thermo jug

The thermal jug is designed for stationary use - at home or in the office. In the office, it allows you to save energy, as you do not need to repeatedly heat the water. At home or in the country with a thermal jug, evening tea drinking will stretch for a long time even in cool weather.

The volume of the thermal jug is selected depending on the intensity of its use and the number of people. For two servings of tea, a 0.5 liter thermal jug is enough. For big company it is better to purchase a three-liter model.

Thermoses for food

Thermoses with a wide mouth are produced for the first and second courses. In this category you can find lunch boxes with multiple trays. In such a thermos, it is convenient to take a full lunch with you to work.

The minimum volume of thermoses for food is about 0.5 liters (there are models with a capacity of 0.48 liters). For a large number of products, a five-liter container can be purchased.

Almost all thermoses in this category are equipped with lids that are used as plates. In addition to some models, there is a spoon attached to the body. You can take a thermos to nature and work, and you can also cook porridge for breakfast in it - just put the cereal in a thermos in the evening and pour boiling water over it.

Material

The body of a modern thermos can be made of metal, plastic, or porcelain. Fisherman, hunter and hobbyist hiking a thermos in a stainless steel case is recommended, which will withstand all bumps and drops. The plastic case is not so resistant, it is better to take it with you on walks with your baby, cook homemade yogurt in it or infuse herbal decoctions.

Flask

Thermoses are completed with two types of flasks: glass and metal. The temperature is kept longer in a thermos with a glass flask, but since this material is very fragile, many prefer metal models. Glass does not absorb odors, so the tea in it smells like tea, not coffee or lemon. But with proper care, foreign smell can be avoided in a metal flask.

Among thermoses with a metal flask, you can also find especially “long-playing” models. Air is pumped out in them between the body and the flask. The buyer cannot determine what is inside, but usually the manufacturer indicates the temperature retention time, and this should be guided by.

Cork

The plug can be with or without a valve. A stopper with a valve is more convenient, since it does not have to be unscrewed to pour the drink, but this design entails heat loss. A blind plug is more airtight, but only until the time comes to remove it. If you do this too often, the drink will cool down faster than in a thermos equipped with a stopper with a button. To reduce the heat loss of a thermos with a stopper of a complex design, you should always tightly tighten the top protective cover, which also serves as a cup.

Volume

If you want to keep tea or soup hot for as long as possible, you need to choose a large-volume model. In a small thermos, everything cools down faster, but for cold foods and drinks, the volume is not important - if you take half-liter and liter models of the same row, ice cream will last about the same amount of time in them.

Pneumatic pump

Pneumatic pumps are equipped with thermoses of large volume - as a rule, from two liters or more. To pour tea from such a thermos, you do not need to tilt the heavy vessel, just press the button, and the drink will pour from the tap into the cup.

Additional accessories

Thermoses can be completed with belts and covers. The belt will come in handy when hiking or fishing. If the thermos is transported in the trunk of a car, and the flask in it is glass, the case will protect it from shock.

Reference article based on the expertise of the author.

How to choose a reliable thermos?

How nice it is to drink a cup of hot tea while fishing in cold, dank weather, when there is no time to collect firewood and kindle a fire. And if you find yourself among the snow-capped mountains, boarding or skiing, and it is still very far to go to a cafe with hot mulled wine? Only a reliable convenient thermos can help you out!

It is very important not to make a mistake with the choice of a reliable thermos, because it can happen that a thermos with hot tea will save your life one day!

A bit of history

THERMOS thermos, thermos (-Greek thermos - hot). A thermos is a type of Dewar vessel used for household purposes to keep food and drinks hot or cold.

At the end of the 19th century, physicists became interested in research on the liquefaction of gases. The main problem then was not obtaining liquefied gases, but their long-term storage. During the experiments, the German physicist Weinhold in 1881 he developed a double-walled glass box with air evacuated from the space between the walls. It was the first thermos prototype.

Another scientist Dewar, in 1892 improved Weinhold's invention. He made a flask with a narrow neck, inner part covered with a thin layer of silver and hung on springs in a metal casing. The result was a "Dewar vessel", which is still used in scientific laboratories around the world to this day.

The inventors of the thermos prototypes were far from commercial. However, the Berlin entrepreneur Reynold Berger I saw significant potential in the design of Dewar. In 1903, he completed the vessel with a compact metal casing, hermetic cork and a glass lid, and in 1904 he founded a company for the production of a "vacuum flask". Such a name was not sonorous enough, so Berger announced a competition for best title. A resident of Munich who proposed to name the product won Thermos. In 1907, Berger sold the rights to the brand to three companies - American, British and Canadian, which made the company's product famous, and the word itself thermos- common noun.

Modern Dewar vessels are constructed somewhat differently. The inner and outer vessels are made of aluminum or stainless steel. The thermal conductivity of the material is not important, but strength and weight play a big role.

The neck (7) connects the inner (6) and outer (5) vessels and is made of stainless steel. Outside, the inner vessel is covered with an adsorbent (4), which, when cooled, absorbs residual gases from the vacuum cavity (2). To reduce heat loss, the inner vessel is covered with additional thermal insulation (3). To reduce convection heat transfer, a foam plastic cylinder is attached to the Dewar lid (8), which does not seal the neck tightly.

Silvering of internal surfaces was abandoned and replaced with polishing. Modern Dewar vessels have low evaporation losses: from 1.5% per day for large containers, up to 5% per day for small volumes.

Classification of thermoses

Depending on the volume and type of food used, modern household thermoses can be divided into the following varieties:

Between the flask and the wall of the thermos there is a space that maximally prevents heat transfer. This space can be filled with vacuum or air. In this regard, thermoses are divided into vacuum and air.

Vacuum is much better suited for this - its thermal conductivity is zero. The air, well, isn't bad either. Vacuum thermoses have one big drawback. During operation, any through damage to the body turns the vacuum thermos into an air one.

Depending on the material from which the flask is made, thermoses are divided into glass, metal and plastic(plastic). Glass - the flask for storing the heat agent is made of glass. Metal - the flask is made of metal (for the most part, this is the same stainless iron). And the plastic (plastic) flask is made of food (not always by the way) plastic.

The older generation remembers with kind words the scarce Soviet time Chinese thermos with a glass flask. You can buy a thermos with a glass flask somewhere else, but it’s better not to waste time looking for a new flask. Yes, and a glass bulb, it's no secret, is very unstable to damage and shaking than metal or plastic.

Separately, about plastic flasks. They are used mainly in mass-produced Chinese thermoses. The inner surface of the flask has a mirror coating, which gives these products fairly good heat-resistant criteria. There is one advantage - cheapness. And two significant drawbacks. Durability is not at all about plastic flasks. Different degrees of heating and different values ​​of thermal expansion of the substance lead to the formation of numerous cracks on the surface of the mirror coating. A huge danger is that microparticles of mirror coating, peeling off, can get into the heat agent and with it into the human body. Also, the substances released by heated plastic are quite capable of entering the body and causing poisoning. Some plastics are carcinogenic. Conclusion - as a disposable temperature storage vessel for technical needs (warming up a frozen lock in a car, washing hands in the cold, etc.) - you can’t imagine better. In other cases, their use is contraindicated.

From the foregoing, we can conclude that it is necessary to seriously consider vacuum thermos with a metal flask!!!

Before rushing to the store to buy a thermos, answer the following questions for yourself:

1. For what types of recreation do you need a thermos and most in a simple way will score rest time. The longer you will be on a trip or outing, the larger the thermos you will need.

   The volume of the thermos determines how long it will keep warm. The larger the volume of the thermos, the longer the contents will be hot. However, a compromise is necessary: ​​if you take a thermos for food, then take just such a volume of the thermos as the amount of food you eat. You can not take a large thermos and fill it completely - the food will cool down due to the presence of air. The entire volume of the thermos must be filled with food, then the food will be hot longer. The temperature of food also depends on its consistency. Liquid food retains heat longer than porridge or pasta. Therefore, fill the volume so that there is as little air as possible, for example, use gravy with pasta

2. What exactly do we need a thermos for? For drinks or for food? If for drinks, then it makes no sense to take a thermos with a wide mouth. For tea, coffee, a thermos should have a narrow neck, because less heat will escape through a narrow neck. Wide mouth thermoses for food. In such thermoses, heat is kept less than in those where the neck is narrow. Although, even in half-liter thermoses for food, in the cold, lunch remains hot from morning until lunch.
3. Next, you should decide on the size of your luggage. It is clear that there is one luggage by car, and another by a bike ride. Please note that depending on your capabilities, large volumes of a thermos will have to be abandoned in favor of compactness.
4. But the last question is price. Now Chinese goods (everyone is well aware that thermoses of almost all foreign companies are made in China) have flooded all the shelves. However, domestic thermoses are in no way inferior to them and are superior in their characteristics, while being only 100-200 rubles more expensive, which also distinguishes them favorably from other foreign companies.

Here are some tips to help you choose a good thermos!

1. Start determining the quality of the thermos during the purchase process. First of all, open the selected thermos and look for defects - chips, scratches, cracks, dents.
2. Pay attention to the cap and cork. They must be very tight. Up to 40% of heat is lost through the cork. The simpler the design of the cork and button, the less heat they will release to the outside.
3. Unscrew the lid and sniff the thermos. A good thermos will not have any sharp and specific odors. If there is a sharp or strong smell, then you should not buy such a product, because it is most likely made from poor quality materials.
4. Check the O-ring between the flask neck and the plastic body. It must be very precisely fitted and will prevent spillage of liquid when the plug is screwed in, as well as temperature changes.
5. Special cork designs allow you to pour the contents without completely opening the thermos and reducing temperature losses. Check the reliability of such plugs, the materials from which they are made and their work (nothing twitches anywhere, does not break off or fail, etc.)
6. Pay attention to the thermos flask. It should not wobble or move. The flask must be very well fixed, otherwise it will break at the first blow. It is best when the flask has rubber shock absorbers (perhaps this will be mentioned in the specifications for the thermos). Shock absorbers are located in the neck and / or at the bottom of the thermos. It is difficult to see them, but if there is an upper shock absorber, then if you carefully examine the neck of the thermos, you can see its edge.
7. Try to find the manufacturer's mark on compliance with European quality standards, or ours.
8. Find out what is the guarantee for the thermos, and find out if there is a manufacturer's mark on the guarantee for the thermos - this will indirectly indicate the high quality of the product and can guarantee an exchange if hidden defects are found during use.
9. Pay attention to the name of the manufacturer and his address, country - it may turn out that there is not even such a thing, which clearly indicates the low quality of the thermos.
10. Find the time stamp for the active operation of the thermos. It may be a pictogram, but it may just be written. It should be remembered that the vacuum flask of the simplest thermos must maintain a temperature of at least 6-7 hours, and with a steel flask at least 8 hours. This characteristic is valid for hot products and indicates the period during which the temperature drops rather slowly to a critical point (~ 70-80 degrees). When this time is over, the temperature will drop to (50 degrees) much faster.
11. Remember that thermoses of the same volume and design (and sometimes even the same materials) from different manufacturers will differ in their temperature characteristics and reliability.
12. Know that the most expensive thermos does not mean the best. Choose what you can afford in terms of price / quality ratio, besides, nothing lasts forever under the moon, and a broken expensive thermos will still cause more dissatisfaction than a simpler one. And the most expensive thermoses can be defective.
13. When you get home, immediately start checking the quality of the vacuum, since it is visually impossible to do this in the store. Pour boiling water into the flask and pour it out after 5 minutes. This will warm up the thermos. Then pour boiling water into the thermos again, but not to the very top, leave 1 cm for air (always do this when filling the thermos). Leave the thermos for 30 minutes. If after this time the walls of the thermos become warm, the thermos is defective. Return it to the store.
14. Check the thermos for compliance with the declared parameters. The heat retention time depends on the quality of the vacuum, i.e. distance between the flask and the body. The smaller it is, the faster the contents of the thermos cools down. You can check this by pouring boiling water into a thermos and leaving it for 24 hours at room temperature. After 24 hours, check the temperature of the water in the thermos. If the temperature of the liquid in a 1.5-2 liter thermos does not fall below 55 degrees, then the thermos retains heat well.

And do not be shy to return the marriage, it may happen that a thermos with hot tea will take and save your life one day. Choose the right thermos!

Do you know that the thermos, it turns out, was invented more than 120 years ago? Everything ingenious is simple, and this magical container has not lost its relevance to this day. But the trouble is: the question of which thermos to choose is not at all simple.

Now on the shelves of shops you can see dozens of various models. And a person who does not have knowledge on this topic, the problem of choice can drive into a dead end. To avoid this, our article was created. We will help you make right choice.

What you need to know about the thermos device?

In order to understand what criteria to follow when answering the question: “How to choose a thermos?”, It is necessary to clearly understand its structure and the purpose of each part.

And not so much wisdom. The thermos consists of inner and outer shells. The inner is a flask, which can be glass or metal.

The outer wall of the product is called the body and can be plastic or metal.

The free space between the inner and outer wall can be filled with a vacuum or a plug.

And one more detail is the thermos lid. It can be in the form of a plug with a screw thread or with a valve.

Different thermos - for different purposes

Before you go to the store for a purchase, you should clearly understand for what purpose you are purchasing this wonderful container. Otherwise, there is a big risk of just throwing money away and buying a thing that is useless for yourself.

How to choose the right thermos? For fishing and travel, choose special "floating" units (they do not sink in water).

If you want to drink hot drinks, then you need a thermos for this purpose, with a narrow neck. If you plan to take first or second courses with you to work, then purchase a product with a wide neck.

In addition, if the thermos will only be used at home, then it is better to give preference to a glass flask rather than a metal one, as this is a much more hygienic material, albeit more fragile. And if the product is supposed to be carried with you, for example, in a backpack, and it must be durable and shock-resistant, then, of course, hygiene fades into the background, and you should choose metal flasks.

Another important point: if you need a thermos exclusively for brewing herbs or tea with lemon, no doubt choose a glass flask. The fact is that stainless steel products, paradoxically, can still undergo corrosion under the influence of various food acids.

Who needs thermoses? Yes to everyone!

Although progress does not stand still, it is simply impossible to imagine life without a thermos. Thermoses, without a doubt, everyone needs! Fishermen, tourists, travelers, people involved in active species sports - everyone, without exception, is happy to take a little "rescuer" with them and drink hot tea with pleasure, wanting to warm up.

In the army, soldiers in the field bring food in special thermoses of a very large volume. The most ordinary managers and workers need a thermos in order to enjoy a tasty and warm dish at work, such as soup. This not only saves money on trips to the cafe, but also helps to keep the stomach healthy.

Motorists and professional drivers have repeatedly said “thank you” to this ingenious invention, drinking another cup of aromatic coffee, which is so invigorating in the dark.

Ordinary housewives and mothers know a lot about folk recipes beauty and health, brewing rosehips or various herbal preparations in thermoses.

So this indispensable product makes life easier and gives comfort to so many people! Which thermos is right for you? Read on. And then you will definitely be able to determine for yourself the optimal type of this wonderful "assistant".

Thermal mug and thermal container - what do they have in common with a thermos?

The abundance of goods on store shelves can confuse even the most experienced shopaholic. In the same row with thermoses, both thermo mugs and thermal containers can stand. You should know that these are different things.

A thermal container is not a thermos at all. It does not have a vacuum flask. Its walls are simply made of materials that are distinguished by the greatest thermal insulation. It can be, for example, foam. Such products also retain heat, but for a very short time, a maximum of several hours.

A thermo mug is essentially the same design as a thermos, but it usually has a smaller volume and is designed exclusively for liquids. Most models have a comfortable handle. But if you need a universal thermos, then buying a thermo mug is not recommended. In some models, there are not very tight covers.

What should you pay attention to when choosing a thermos?

How to choose good thermos? This question, of course, worries everyone who is puzzled by the purchase of this product.

There are some tricks to help you make the right choice.

• Open the lid of the thermos and sniff the flask. You should not feel any sharp and unpleasant odors. Otherwise, you should choose another model.

• Shake the product lightly. You should not hear any extraneous sounds.
• The lid of the thermos should be tightly twisted, without twisting. If the flask is glass, then the cork should fit tightly and tightly into it. And it is highly desirable that the cork be made of quality material, and not cheap and foul-smelling plastic.
• If the thermos has any external damage: scratches, dents, refuse such a purchase.

• How to choose a thermos, with which flask? We have already drawn attention to this above. Do not forget that thermoses with a glass flask, although cheaper and more hygienic, are much more fragile than those with a metal one.

• A thermos with boiling water poured into it should not heat up the outer wall, that is, the body. If this happens, ask for a refund or exchange.

How to keep the contents of a thermos hot as long as possible? Tricks to be aware of

In any business there are tricks and nuances. Even if you already know how to choose a thermos and have purchased an excellent model, you can still achieve even greater thermal insulation of products with your own efforts.

To do this, you just need to properly fill the capacity of the container.

• Don't buy an oversized thermos if you're not going to use it all the way. If you eat about 300 ml of soup, then buy a 300 ml product. The thing is that the food will cool much faster due to the incomplete filling of the space in the thermos and the presence of air in it.

• Liquid food is able to store heat much longer than solid food. For example, pasta will cool faster than soup. This is due to the incomplete filling of the volume of the thermos. Therefore, try to use gravy for side dishes - and the dinner will become more satisfying, and the problem will be solved!

Thermos for tea. How to choose?

A thermos for tea or other drinks must be chosen with a narrow neck. Of course, if you wish, you can also purchase with a wide one, but then it will not be very convenient to pour the liquid into cups.

So why reinvent the wheel when manufacturers have already taken care of us and released suitable models? In addition, a narrow neck is much better at retaining heat than a wide one, and your favorite drink for a long time stay hot.

A thermos for drinks can have a cork, a regular lid or a lid with a pump (valve). The pump is very lucky invention, as there is no need to open the entire lid in order to pour, for example, tea into mugs, and therefore the heat is retained longer.

How to choose a thermos for first and second courses?

If you want to buy a thermos for consumption delicious lunch or dinner, you should choose products with a wide neck.

In such thermoses, the contents cool down a little faster than their narrow-necked "brothers", but it is much more convenient to eat food.

Food thermoses have not only a wider neck, but also a proportionally wider diameter of the cylinder itself. It is convenient to wear both first and second courses in them. Some models of thermoses for food have several compartments, giving their owner the opportunity to take not one, but two or even three different dishes with them on the road or office.

How to choose a thermos for food? If you plan to eat only soup with it, then there is no need to buy more expensive models with multiple tanks.

If you want to carry various main dishes with you, for example, stewed vegetables and potatoes, then, of course, you need to think about a more expensive model. Food thermoses can be completed with cutlery. Here the choice depends only on the personal preferences of the buyer.

Which company to choose a thermos?

At the moment, about ninety percent of all models of thermoses that can be seen in stores come there from China.

Every year the names of firms and models can change, and many products simply do not have any reviews on the Internet. In this regard, we recommend purchasing thermoses from manufacturers that have been on the market for several years and are interested in a positive assessment of their products.

That is why, when choosing a thermos, it is best to give preference to such well-known brands as Thermos, Berghoff, Primus, Stanley, Bekker, Zeidan, Bergner, Rosenberg, Regent, Bochman, Delta, Irit, Calve, Zojirushi.

In this article, we will choose the most best thermos for tea and analyze the whole process step by step. First of all, you need to understand what a thermos is for, it is to keep warm and keep cold water fresh in hot weather. I recommend reading the article to the end, below will be a video that will help you resolve your issue from a positive point of view.

It makes no sense to talk about the varieties of thermoses, they are all selected according to the same process, the only thing I can advise, looking ahead, is that a thermos in a plastic case is best suited for a bicycle. So, we begin to analyze the question of which thermos is better to choose and buy!

I will describe the entire selection process from the fact that we will choose a thermos with you specifically for tea, and I will focus your attention on this type. The whole process of choosing in the stores of your cities is how well you are savvy in the matter of purchasing the goods for which you actually came to the store.

For example, if you came to the store to choose a thermos and do not know anything about it, then be sure that the sellers will sell you exactly what they need according to the sales plan! You will buy another item of mass consumer goods. Knowledge in the choice of goods gives a small bonus to those who know how to choose a quality product from the variety offered by the seller.

What are the parameters to choose the best thermos for tea:

• Type of thermos
• thermos body material
• Material of the inner flask
• Required volume

What type of thermos is better to choose when buying

At this point, you need to decide what a thermos is for:

• picnic
• on a bike
• on a hike

Here you decide for yourself, for a picnic it is best to choose a large volume of thermos, with children you will need a large amount of water. For a bicycle, as a rule, thermoses go for “a few sips”. But for a trip, you need to take a thermos consciously, being overweight on long trips is undesirable, but you should not save on the place, because extreme trips can end in little.

What is the best thermos body material

From my personal experience in travels, an example of which was my three-day trip, I concluded for myself that there is nothing better than a metal case. After reading a lot of reviews from all travelers about thermoses, the majority, like me, are inclined to metal, motivated by the fact that the plastic case gives off heat very quickly.

In the mountains, the plastic case, if it falls on a thermos, immediately cracks. The metal case retains heat much longer and, as a rule, is not afraid of corrosion (old-style thermoses were made of metal with impurities that can rust, now such metal can no longer be found in stores), but this already needs to be looked at the nameplate (sticker with technical information) of the thermos when buying what kind of alloy the thermos case is made of.

I’ll give you a little advice, be sure when choosing, make sure that there is a small additional compartment at the bottom of the thermos, which gives a small distance from the ground to the flask in which the hot tea is located, this gives more time to cool.

What material should the inner flask of a thermos be made of?

Internal flasks for a thermos are made of three materials:

• reflective glass
• metal surface
• Plastic housing

Here the answer is unequivocal - it is best to buy a thermos for tea, you definitely need a flask made of mirror glass. Let many sellers and advisers claim that the inner body of the flask should be made of plastic, arguing that the glass is very fragile - they are deeply mistaken.

Very often in stores there are thermoses with metal flasks, immediately refuse this option, soak with constant washing and in some cases even rust. Such thermoses by weight are hardly suitable for tourists, and their demand is small.

Once again, choose a thermos for tea only with a glass flask. Firstly, glass retains heat almost three times longer than plastic, secondly and most importantly, think for yourself which chemical reactions happen with plastic and boiling water inside a thermos - will you drink it.

To deviate a little from the topic, when I traveled around Turkey, I was honored to learn a lot about from one very good person and part-time Turkish guide who came to Russia and was horrified that our Russian cafes serve hot tea in plastic cups - this is a direct path to oncology, be sure to read this article about Turkey's attitude to dishes.

I didn’t believe him, having arrived home and having checked many facts about the composition of the plastic from which the inner case of the thermos is made from many manufacturers, I realized that Marat (a Turkish guide and doctor of historical sciences) was absolutely right.

When choosing a thermos with an inner glass flask in the store, the only thing you need to check when buying is to shake it, the flask should be in one piece with the outer case, without extraneous sounds.

What size is better to choose a thermos?

The volume of the thermos depends on your needs, for family vacation you will need the largest volume, for hiking and a small thermos is enough, to be honest, I have three thermoses and each of them is of a different size for all occasions. How big is a thermos to buy? Here I cannot advise you, choose the volume that circumstances dictate to you.

When summing up, I want to say about the lid for a thermos, make sure that the lid does not have any play and closes tightly. Also look at the label on which the manufacturer indicates the guaranteed time in hours and degrees for the use of their product. The temperature of the liquid, which is guaranteed by the manufacturer for a certain period of cooling time, should not be lower than +70, preferably +90 degrees.

I forgot to note that the volume of the thermos also affects the cooling of the liquid, I don’t know why, but the larger the volume of the thermos, the longer the liquid will remain warm, take note. By the way, I recommend to go to a very interesting online store Planet Sports, where you can buy not only a cheap thermos at a discount, but also other necessary things at half price.

Watch a video about choosing the right thermos

Manufacturers to look at when choosing a thermos:

• Tatonka
• Thermos
• Primus
• Stanley
• Berghoff

Don't forget to look into Sportmaster store, there are a lot of useful things you can buy inexpensively >>

In conclusion of this article, if you still have an old grandfather's thermos, then forget about everything new, use just such a thermos, it has already served for many years and will last the same amount. I hope that the question “how to choose a thermos for tea, which thermos to buy” has been resolved for you!