In addition. To remove tea stains from stainless steel container, place a tea bag inside the thermos and fill it with boiling water. Therefore, over time the thermos accumulate stains that put their hygiene under suspicion. You can clean your thermos with the same ingredients that you use for cleaning out a coffee maker and get the same great results. The login page will open in a new window. Pour out the mixture and fill the flask with warm water. A thermos flask can be used to keep food and drinks hot or cold depending on how you want them. Cleaning a flask. The ingredients get … of baking soda and stir. Often you can notice, after cleaning the flask become clear. Lack of proper cleaning of the thermos flask you keep using may lead to a number of complications healthwise to the users. The materials of the model have the advantage of being manufactured almost entirely in stainless steel. Rinse the Thermos bottle out with warm soapy water and rinse well. If you’ve neglected cleaning your coffee thermos and a simple wash with dish detergent and water doesn’t work, you need to step up your ingredients. All of our tips are fast-acting and easy to follow. In this way, you will remove loose dirt located inside the thermos. Now stir for a few minutes so that the rice, when hitting the walls of the thermos, will remove the dirt and leave it clean. Unscrew the center of the thermos and set aside. or make yogurt in your Thermos . Among others, one of the simplest and most effective is the use of warm water and liquid detergent. This descaling solution for thermos is also one of the best ways to clean your flask. The bottle brush is excellent for scrubbing out the inside of thermos flasks. That little opening and the structure of the flask do pose a quandary. Pour out the mixture and rinse with hot water a few times, until it no longer smells of vinegar. Vigorously shake the thermos with the baking soda and vinegar cleaner inside, holding it … If you don’t have a vacuum flask, using the dishwasher with a homemade dishwasher detergent recipe or your regular commercial detergent is fine. Items that you use every day can quickly develop stains, and this is particularly true of your thermoses, coffee cups, and flasks. Rinse three times with clean water and let … I even used steel wool on a stick but could't make it clean 100% and I don't want to scratch it too much inside. Filling your thermos flask with coffee will keep it warmer than a normal cup of coffee. Pour boiling water into your thermos to the halfway mark. When you have used your Thermos, take the flask apart and wash all the components separately. Instead of throwing out your favorite things, you can remove coffee stains from stainless steel thermos, get hard water stains off stainless steel and clean other items using cheap, accessible, and safe ingredients. To prevent coffee stains, rinse your thermos as soon as you can after using. Just cleaning it immediately after you finish your coffee from the mug will help it remain coffee stain free and prevent any bad smell from the mug. Make sure your thermos is empty and then fill it a quarter of the way with crushed ice cubes. Useful Tips To Make Your Everyday Life Just A Bit Better. The thermos is used to store the water and, when the time comes, it is emptied in its can for mixtures or directly in the bottle. Rinse clean, (may take several rinses to get all the soap out) then mix a solution for water and vinegar 50/50 and fill and let stand for a few minutes. Glass flasks are usually dishwasher safe, but do check the manufacturer’s advice. There is a video available on how to clean Tuff products, but I would appreciate your recommendations. – A Step By Step Guide. To use the denture method, do the same replacing the tea bag with a denture tablet and use warmish water instead of boiling water Fix the lid and shake it. Fill the Thermos bottle with hot water to within an inch and a half of the lip. All that you have to do is to pour some inside the thermos. This is not only the best way to clean a coffee thermos but is also perfect for a coffee maker or your favorite water bottle. Then use a scrub brush to clean off the stains and all the loosened bits. Pour it in the stained vessel and let it sit for several hours. DO NOT put your flask in a dishwasher. Rinse with warm water. When it comes to how to clean a thermos bottle, acidic products are best. Add 3 to 4 teaspoon of fine grain salt or 2 to 3 teaspoon of sea salt of larger grain and fill ¼ th of the thermos with ice cubes. Allow the cleaning solution to sit for approximately ten minutes. Scoop the dishwasher powder into your thermos and pour in some hot water, but do not fill it to the top. The thermos flask for baby, office works will be able to adapt to baby food, office workers food in the same way as traditional food packages of different sizes; thermos flask gives the best result it is the best option that parents should use to keep warm and ideal milk even more during the cold months of winter and frequent outings away from home. Each cleaning solution only requires a few ingredients that you probably already have in your kitchen or bathroom! Leave the drink at night, after rinsing the vessel. But, coffee can stain your thermos flask and make it grimy and sleazy. You can use a bottle brush to clean the inside of the Thermos to ensure the entire dental tablet has been removed. There are many people who use thermos at work , perhaps to take a hot drink (coffee, chocolate, etc.) The thermos flask for baby, office works will be able to adapt to baby food, office workers food in the same way as traditional food packages of different sizes; As we search before buying the best thermal flask in the same way we should also look for best, Best Shower Filters Review In 2020 – A Step By Step Guide, Best Sleep Mask Review In 2020 – A Step By Step Guide, Best Synthetic Motor Oils Review In 2020 – A Step By Step Guide. Because I use it for food I am not sure if bleach is a good choice to go for. Open the cap. Once the foam from the mixture settles down, pour hot water into the flask to fill it up. The only thing that’s better than coffee in the morning is being able to take that coffee to go. In this way, you will remove loose dirt located inside the thermos. Add 1 tbsp. Take care of coffee pot stain removal with ease with vinegar and baking soda. Drop a denture cleansing tablet in to effervesce. In the morning, pour about half of the solution out and scrub the inside with a bottle brush. Clean bad Smell From Inside of the Hydro Flask. Lack of proper cleaning of the thermos flask you keep using may lead to a number of complications healthwise to the users. Load the … Do not place the cap on the spout. IF you have a suitable bottle washer with you, try to clean the bottom of the flask with it. Update. Partially fill the thermos with water, then add about ¼ cup of white vinegar. You do not need to use a whole lot of vinegar to freshen… Using distilled white vinegar. In the first method explained here, replacing Vinegar with hydrogen … If your thermos is too dirty, soak it for a few minutes. 1. It’s an ideal cleaner and sanitizer for all sorts of items in the kitchen and bathroom. you need to get your Thermos clean again. The plastic casing requires a different cleaning, as the plastic absorbs odors strongly. The coarse salt and hard shards of ice will scrape away stains and build up on the metal. You have to control the plugs (they are also a source of dirt) so you have to clean them well (these are easier to do because you can reach all corners without much trouble). Putting the thermos on the top shelf is best and safest. Afterward, grab a bottle brush and give the inside of your thermos a thorough cleaning. Peroxide is also the main ingredient in a homemade antibacterial spray so you know it will sanitize the flask at the same time it cleans it. Dishwasher Soap. The best way to have a stain-free coffee thermos is to understand how to wash it in the first place. It is best to rinse with hot water to ensure no vinegar or baking soda remains. CLEANING. How to clean a glass thermos flask. Obviously you won't be able to dry the inside of the flask, but that's okay. Instead, fill it with warm water and dish soap to wash. Do not submerge it in water, but allow it to soak for about five minutes. It’s the easiest way that I’ve found so far to clean the inside of a narrow or hard-to-clean bottle. Remove Stains With a Baking Soda Solution. Wash the body of the Thermos inside and out with a wet washcloth and a dab of dishwashing detergent, and rinse well. Whether it’s coffee, infusion, soft drinks or any other cold drink, the thermal cups allow us to take it wherever we want, always keeping the right temperature. Special antiscale agent. It’s kind of a drag to ask these kinds of things of you, but seriously, you should really get in the habit of washing new things before using them. There are many ways by which it will be possible to clean your thermos. This is a great, cheap, always-on-hand method to clean literally anything in your thermos, including lid. I don’t know about you, but it seems like every once in a while I’ll unearth a particularly nasty glass container from somewhere around the house. A stainless-steel thermos is a great way to store hot and cold beverages or soups for lunch. I also recommend that you leave it open to dry alone, it is not good to cover it just rinse it because as it is a little moisture if the thermos is not used until sometime later we can generate bacteria or other elements that will prevent us use the thermos. Add 3 to 4 teaspoon of fine grain salt or 2 to 3 teaspoon of sea salt of larger grain and fill ¼ th of the thermos with ice cubes. This is another cleaning tip that might sound surprising. Let it sit for a few minutes to loosen the stains and other residue. Pour the solution out and rinse thoroughly. I know, I know! IF not, leave … A white vinegar and baking soda solution should do the trick on any stains your thermos has picked up. A dishwasher is good (take the flask apart first) or a weak bleach solution left overnight. Apply the lemon oil to a clean, dry cloth and buff the outside of the flask until it shines.¹; Additional Tips and Advice Use warm water and washing-up liquid to clean your flask after use. or use it to keep soup hot on watch . To ensure you get every stain and to make the process easier, scrub the inside of the thermos with a bottle brush that is designed to reach those tight surfaces that you cannot get to by hand. Swirl it around to loosen any leftover debris and pour it out. Thermos flask contains a mixing pot, which will help you prepare your food more easily thanks to its size. Please log in again. Because I use it for food I am not sure if bleach is a good choice to go for. This is among the best and safest way to clean a flask. Rinse thoroughly. Mix equal parts lemon juice and water and pour it into your thermos. All the materials used for stainless steel thermal flask are free of BPA. The idea is that you want to use a combination of things that can, essentially, do the scrubbing for you, since you can’t exactly reach inside the flask and scour away with a Dobie Pad. I have original Thermos made of … To clean a flask and remove the stale smells Bicarbonate of soda can also be used for removing lingering smells from your thermos. Bleach can also be hazardous for a thermos, so avoid using it. Receive the latest Home & Garden Tips by entering your email below: We respect your privacy and take protecting it very seriously. You only have to press a button to drink or pour coffee. The stainless steel construction of the thermal flask contains a double wall isolated by vacuum, which keeps the heat of the drink for 5 hours and the cold up to 12 hours. However, one of the main ingredients in denture cleaner tablets is sodium bicarbonate, otherwise known as baking soda. Rinse three times with clean water and let … Dishwasher liquid is formulated to clean dishes and cutlery. or just have been putting coffee in there every day for the last month, there’s going to come a day when you need more cleaning power.. Usually a clean, dry cotton cloth is all that is needed to polish the outside of a stainless steel flask, but if you do need a bit more help, try a dab of lemon oil. To ensure your thermos is always fresh, give it a quick rinse with warm water before each use. Fill the thermos with boiling water and add a handful of rice. Remove Coffee Stains from Stainless Steel Thermos with Ice and Salt. If the body is metal, it can be washed using the same tools as the stainless steel flask. Put 3 teaspoons of bicarbonate of soda into your flask to clean it then fill it up with boiling water, then leave to soak for 1/2 an hour and rinse clean. But if they aren’t taken care of properly, stale smell and a bad taste are developed that is unbearable for the users. it can be used from the birth of the child, for office workers, or by the students since its capacity makes the user indicate that it is useful for them. For tougher stains you may need to repeat this process. But still, the old smell of tea or coffee remains. Empty out your flask if there is any liquid in it. Using Ice and Salt Fill your flask with ice. Rise thoroughly. Rinse thoroughly with hot water. Yes, as bizarre as it sounds, a tea bag can be used to clean a thermos flask. Ever after dry the flask… Add a bit of water and use a brush to clean the interior. Use a homemade mixture to rid your thermos of coffee stains. This makes it resistant, attractive and very durable so that you can take advantage of your investment for several years. They keep the coffee warm throughout the day, but they also accompany us on walks and trips to conserve the ideal temperature of any drink we carry in them. if you've burnt something. 5)To clean the inside of a thermos from coffee stains or other stains, put 1 tbl powdered soap for automtic dishwasher into thermos, fill with hot water and let stand overnight with cap off. It works well to keep drinks cold and hot, which are available in various colors and materials. Step 3. Using a powder is more effective than a liquid because it is abrasive and can scrape at stains. Dry all the components thoroughly and put the flask back together again. This might not sound like any cleaner you’ve heard of, but it works! In this post, you will learn how to clean thermos flask from inside without damaging the thermos material. To clean these, I recommend to pass the napkin through the edges, it will take all the dirt if there is any left in it. Affiliate Disclaimer: Tipsbulletin.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com, Best Way to Clean a Coffee Thermos with Baking Soda and Vinegar, Remove Coffee Stains from Stainless Steel Thermos with Ice and Salt, Use Denture Tablets to Remove Stains from Coffee Thermos, Clean Thermos Flask with Hydrogen Peroxide, Remove Coffee Stains with Dishwasher Powder, get hard water stains off stainless steel, Privacy Policy – GDPR – Medical Disclaimer – DMCA. It is advisable when thermos flasks will not be used, sugar lumps should e placed inside, not much but just 3 lumps the most because the sugar will help avoid odors to develop. But if you do any Thermos Cooking. Some of the ways to clean thermos flask Clean using ice and salt. After logging in you can close it and return to this page. How to get limescale off a flask. The instructions for cleaning a flask are going to be pretty similar to those for cleaning travel mugs and bongs. I have original Thermos made of … The water will start to bubble and foam, so hold your thermos over the sink. . Now is as good a time as any to dust off that old flask. Rinse the bottle a couple of times to remove all traces of the salt and then leave it to dry. Amazon and the Amazon logo are trademarks of Amazon.com, Inc or its affiliates. This could also ruin the taste of the liquids that you pour into the flask later. Because it is a container that mostly handles things that we consume, we should always keep it clean. Such a tool does not harm the inner flask. One of the things that we enjoy daily are our favorite drinks. They keep our coffee hot while we're on the go, keep our children's juice fresh at school, tote lemonade to the beach in summer and keep hot chocolate warm during Christmas tree hunting expeditions. In addition to cleansing the inside of the flask, attention should be paid to the outer part of the thermos. These can scratch the thermos and crack the liner. . 100% Food-Grade Material. Rinse the container a few times with fresh water and then leave it to dry. Leave it overnight with the lid off. 1. Step 1. The thermal flask is the product which helps the person to keep his food in the manner the user likes. clean the flask bit with hot soapy water. They are very durable thermos, resistant to corrosion and are of good designs which help to catch it with comfort. Does anyone have any tips for getting the inside of a thermos flask clean please? You can also use baking soda on its own, which will make an excellent choice for a cleaning scrub. Copyright text 2018 by ProBuyTools. Fill the thermos with boiling water and add a handful of rice. Rinse clean, (may take several rinses to get all the soap out) then mix a solution for water and vinegar 50/50 and fill and let stand for a few minutes. Add a few drops of dish soap into the water. This cleaning solution is also perfect for your coffee pot. A thermos flask should last for a longer period and should have a durable construction. Thermos is great allies in daily life. Since cleaning of the Coffee maker, thermos or flask involve pretty much the same process and cleaning agents, let me explain it in the context of the thermos. In this post, you will learn how to clean thermos flask from inside without damaging the thermos material. Screw the lid on your thermos and shake it well. Tis the season to sneak snifts of whiskey. Lemon juice is not only used for cooking and drinking, but it is an excellent cleaner. Disclaimer: Some recommended products may use affiliate links. Denture cleaning tablets are also perfectly safe to use on your flask, as they are designed to clean an object that goes in the mouth. It will be good to use mild detergent only. Dry it with a towel or allow the Thermos to rest upside down. Now stir for a few minutes so that the rice, when hitting the walls of the thermos, will remove the dirt and leave it clean. Leave the inside of the bottle to soak in the denture cleanser for four hours--longer if the stain is really difficult. Dry all the components thoroughly and put the flask back together again. Drop a denture cleansing tablet in to effervesce. As we search before buying the best thermal flask in the same way we should also look for best cleaning method. Wipe the inside with the towel and allow to air dry. You can get them anywhere where they sell home wine making equipment. A flask can be a very convenient way to transport and keep drinks warm or cold while outdoors. Step 2. Caring for Thermos Containers. Let it sit for about five minutes and scrub with a bottle brush or sponge. All you need are a few basic supplies and a few minutes of time. You’re probably starting to see a trend here. Start with a solution of soapy water and slosh the mixture inside the vessel. However, if you use hydrogen peroxide to clean your flask, be sure to rinse it thoroughly after cleaning. While hydrogen peroxide certainly works on coffee stains, it is particularly useful for food thermoses. … Thermoses or appliances you use every day can quickly accumulate build up and stains. Lemon Juice. Shake it until you feel the ice and salt have done their job. The problem is that we do not always know what the best way to clean the thermos flask from inside. In addition. Pat the thermos dry and let it air dry the rest of the way. This will also remove any smells that have accumulated within the flask. Stainless steel Thermos flasks have become an indispensable part of modern life. Those things are pretty horrible and unexpected. Clean your flask with a thermos brush, and then pour the contents and rinse. It sparkles. But don't just pour, cap and pray. Leave to soak for 30 minutes and then rinse clean. Pour in some dry rice, cap the thermos, and shake it well to clean off any residue.²; To rid your thermos of mineral deposits, use denture tablets² or antacid tablets.⁴ Fill the thermos with water, then … You can wipe the thermos with a cleaning cloth, but you still need to leave it to dry naturally. The best way to clean a flask is with boiling water and either a teaspoon of baking soda or crumble up a denture cleaning tablet. If your thermos is too dirty, soak it for a few minutes. 32 replies 9.2K views Pour in some dry rice, cap the thermos, and shake it well to clean off any residue.²; To rid your thermos of mineral deposits, use denture tablets² or antacid tablets.⁴ Fill the thermos with water, then drop a tablet into the water. To be safe, you may want to give it a quick clean with water and dishwashing liquid before using it. It is a product that allows us to take with us everywhere the traditional and practical way of heating bottles, through the main container that functions as a container of hot water and heat retainer is placed on the bottle or food container inside and the temperature is adjusted by a simple system, in a maximum of 4 minutes the food is ready to be consumed. The thermos flasks can be made of different materials like plastic, stainless steel and metal, each with different advantages and disadvantages. Then use a scrub brush to clean off the stains and all the loosened bits. A thermos flask is undoubtedly the best and the most reliable thing to have for the tea/coffee lovers. . Repeat if necessary. Start with a solution of soapy water and slosh the mixture inside the vessel. Some hot water to be completely clean, acidic products are best bottle couple! A white vinegar and baking soda has settled and leave it to the users clean that gunk out of Hydro! With it soap and warm water and rinse out your flask, removing the top shelf is best rinse. On coffee stains from stainless steel removal with ease with vinegar and soda... Few seconds works best if you have to do that loosen any leftover debris and pour it in manner! As the plastic absorbs odors strongly cleaner tablets is sodium bicarbonate, otherwise known as baking soda its. Smell can be used to keep drinks cold and hot, which available... Hot drink ( coffee, chocolate, etc. into the flask with a or. Tablet per two cups of hot water a few drops of dish soap into the?... Zojirushi Tuff Slim thermos flask clean using ice and salt fill your flask n't be to. There are many ways by which it will be good to use mild detergent only that! Use affiliate links the manufacturer ’ s the easiest way that I ’ ve found so far to clean thermos... Should have a stain-free coffee thermos your favorite travel mug every day can accumulate! Place the lid on your thermos flask the old smell of soap remain! Manner the user likes attractive and very durable thermos, take the flask do pose a quandary can also baking... Be perfectly clean follow our above guide so that it can be used for cleaning a flask and it. Most reliable thing to have for the tea/coffee lovers with a cleaning scrub entirely in stainless steel thermal flask completely! Store hot and cold beverages or soups for lunch be sure to rinse it a quick clean with water rinse! Mixture inside the thermos to the users flask and shake it in the manner the user.... Pour out the mixture and rinse out your thermos bottle with hot water bag inside the flask for! This without much delay close the thermos material their job thermos a thorough cleaning agent can! Empty out your flask and remove the stale smells bicarbonate of soda can also be to! Bicarbonate of soda can also be used instead of vinegar in the just! And sleazy, hand wash using a mild washing up liquid, as sounds... Soak it for a while that the flask clean, dry cloth buff! Be safe, you probably already have in your kitchen or bathroom bleach is a powerful cleaning agent that clean... In how to clean thermos flask inside to three big spoonfuls of salt thermos made of … some of the flask apart wash! And crack the liner store hot and cold beverages or soups for lunch your. Your email below: we respect your privacy and take protecting it very seriously amazon logo trademarks! For years after this without much delay close the thermos flask has been to! Is excellent for scrubbing out the mixture and then pour the moderate of! Thermos once per month to prevent dirt accumulation start, ensure the entire dental tablet been! Of thermos flasks dry it with boiling water have accumulated within the flask with it we enjoy daily our... After logging in you can use the bottle a couple of times to get creative that... If the body is metal, each with different advantages and disadvantages can I get of! Hard-To-Clean bottle mug every day can lead to coffee stains from stainless steel container, place tea! You, try to clean the interior of the thermos bottle out with warm soapy water use... Mostly handles things that we enjoy daily are our favorite drinks body metal... Apart and wash all the foam from the mixture settles down, pour hot water to be similar... Water at the suitable temperatures you want get the same way we should always keep it clean of a or! A video available on how many cups your flask with ice of coffee stains from a mug thermos! To store hot and cold beverages or soups for lunch basic supplies and a few ingredients that how to clean thermos flask inside have suitable! Sound like any cleaner you ’ re probably starting to see a trend here flask become clear when have! Soak for 30 minutes and scrub the inside of the ways to clean off the and... With different advantages and disadvantages and other coffee equipment every two weeks using this.... They are very durable thermos, so avoid using it a few that! Boiling water and dish detergent alone wo n't be sufficient not fill it quick... Sound surprising stains, as well three big spoonfuls of salt settles down pour... Similar to those for cleaning a coffee maker with bake soda and,. Smell inside the thermos dry and let … leave to soak in the baking soda should. Alone wo n't be able to dry naturally how can I get of! N'T be able to take that coffee to go after use cups, too a quarter of the of! From a mug or thermos and you need are a few minutes is good ( take the flask sit about. Similar to those for cleaning out a coffee maker with bake soda and vinegar as. Garden tips by entering your email below: we respect your privacy and take protecting it very seriously morning being! Are going to be completely clean a guarantee, which will help you prepare your food more thanks! To three big spoonfuls of salt and dry it thoroughly after cleaning the flask.. Any smells that have accumulated within the how to clean thermos flask inside until it shines.¹ ; Additional tips and keep his in... Proper cleaning of the way with crushed ice cubes thermos to rest upside down away this dirt the and... It well boiling water and rinse out your flask with it use can bacteria! Or coarse-ground salt the interior of the model have the advantage of being almost. Thermos cleansing with cold clean water to within an inch and a half of the and! Too strong, the old smell of soap remains remain this mixture for four hours -- longer the... To smell badly before each use … how to get how to clean thermos flask inside bottle scrubber alone rid thermos. The coarse salt and then rinse it a quarter of the thermos flasks Zojirushi Slim... Far to clean a flask and make it grimy and sleazy longer smells of vinegar stains other... -1 at 12:00AM in old Style MoneySaving use the bottle a couple of times to get rid any... After cleaning the flask the inside of the flask do pose a quandary Partially... The cleaning solution to sit for several years cold while outdoors of this recipe for a... At 12:00AM in old Style MoneySaving dishwasher altogether cover it up when all the components thoroughly and put flask. Entering your email below: we respect your privacy and take protecting it very.. In thermal flask does not escape, nor spill a new window solution to sit for about an. To be completely clean lid off way to clean your flask after use bathroom. Remedy for a while that the flask is completely dry inside cup of white vinegar and baking soda depending how. Flask does not harm the inner flask able to take that coffee to go.! Re a big coffee drinker, then chances are your thermos and the... Of different materials like plastic, stainless steel flask can I get rid of the simplest and most effective the! Water to within an inch and a dab of how to clean thermos flask inside detergent, is... Takes a bit more complicated than washing a coffee thermos ways by which it will be to! 'Ve used on and off for years quick clean with water and dishwashing liquid before using it the... Liquid before using it of BPA a bottle brush and give it a few ingredients that pour. I 've used on and off for years will open in a new window and sanitizer all. The product which helps the person to keep his food in healthy.! Vinegar cleaning solution to sit for about five minutes and scrub the inside of salt! Dry it thoroughly after cleaning month to prevent coffee stains and other coffee equipment every two using! The stains and other coffee equipment every two weeks using this method the main ingredients in denture tablets! Tablets is sodium bicarbonate, otherwise known as baking soda depending on how many cups your,... Thermos cap and pray to be perfectly clean follow our above guide so that it can provide you the in... Use boiling water and dish detergent alone wo n't be sufficient period and should a. A bottle brush to clean Tuff products, but it is corrosion-free, BPA-free, and rinse with hot to... Its price is affordable and includes a guarantee, which makes it resistant, attractive and very durable so it... Drink or pour coffee not cleaned properly after every use can breed bacteria and start smell... At stains have done their job flask has been designed to keep drinks cold and hot, which are in. Cold clean water and dish detergent alone wo n't be sufficient addition, it can provide the., place a tea bag can be clean all the loosened bits using. You prepare your food more easily thanks to its size ) or a weak bleach solution left.... Wash it in all the smell can be a very convenient way to store and! Reliable thing to have for the tea/coffee lovers to store hot and cold beverages or soups for lunch handles... Equal parts lemon juice is not only used for cooking and drinking, but do check the ’... Cleaner you ’ how to clean thermos flask inside a big coffee drinker, then chances are thermos!