How Long Is Coffee Good For
In A Thermos?
The key is temperature retention, so if your flask keeps your coffee hot for hours, it's good to go.
While the coffee is delicious in the morning, it appears to become more acidic during the day, till the sourness overpowers everything else.
Since coffee only keeps its temperature in a vacuum and a thermos loses heat over time, most people wonder how long the finest thermos can keep coffee warm. Is there a thermos that can keep heat for 12 hours or more?
Immediately after brewing, your coffee is good for 6 hours in a low-quality thermos and up to 12 hours in a premium flask or an 18-hour thermos.
Which Thermos for Coffee?
Now that we know about coffee temperature and oxidation, we can choose the ideal thermos for it. Thermoses should have an 18-hour hot retention span, be portable, and look professional when carried into work contexts.
Coffee is good to consume for as long as it stays hot and isn't exposed to air. Before keeping your drink in the thermos, add milk and sugar. Finally, when you open the flask hours later, consume the coffee in one sitting.
Make a cold brew concentrate to leave at work for up to 14 days. Use only hot water to blend with your cold brew concentrate. If you start with a decent quality coffee, this will make a delightful, bitter-free cup of coffee. A 4:1 water to coffee concentrate ratio is common in cold brew.
Fill your thermos with hot water rather than coffee. Amazon has a coffee press mug that you may buy. To brew a cup of freshly brewed coffee, put ground coffee in the thermos, fill it with hot water, wait a while, and then press the plunger.
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About US | OCM Profile
OCM (OnCoffeeMakers.com) was started in 2007 with the first webpage about coffee machines. And for a number of years, we focused on helping people find their desired coffee machine (we still are helping folks with that! So, if you are looking for coffee machines for office or restaurants - check out the link).
In 2010, we started getting enquiries on restaurant marketing and we start to help food and beverage brands with their marketing. Below are campaigns and events that we have done over the years:
OCM's campaigns: F&B Marketing Ideas by OCM
OCM's Events: F&B Industry events by or with OCM
Check out this restaurant marketing guide to learn more about the many campaigns and companies we have worked with.
Since then, we have also created many marketing workshops and classes for the F&B industry. Many of these modules are still running in tertiary institutions such as Temasek Polytechnic Skillsfuture Academy and also ITE College East COC classes, below are some snippets of our lectures and workshops:
OCM’s F&B workshops: Food and Beverage Marketing Lectures | Workshops - click to watch classes on customer journey map, JTBD and more.
So, if you are looking for industry practitioners to help you scale your coffee or F&B businesses, do drop us a message or book an appointment. Do also check out our various social media platforms on regular F&B and coffee market updates:
For regular coffee (F&B) related videos: OCM Youtube
For Daily Coffee Inspiration (fun coffee content): OCM IG
For insights into the coffee (F&B) industry: OCM LinkedIN
PS: For the coffee lovers, we continue to share coffee articles (and videos) and have also started a free coffee class section (with free online coffee training supported by coffee partners).
