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SunflowerDune t1_irf6snr wrote

Did you prime the thermos before? With prime I mean fill it with some hot water, let it rest for a few minutes and then pour it out. After that you fill it up properly.

edit: I’m not saying this will give the desired 48 hours but it will be better.

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Loobeensky OP t1_irf91ff wrote

Sadly I did, so not much can be improved in this aspect. I guess I'll just need to stomach that my XXXL, family-of-6-sized thermos cannot be used the way I wanted to use it 🥲

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SunflowerDune t1_irfaksy wrote

Sorry to hear that. Perhaps there is another way? How are you boiling the water? If you’re looking to cut down on electricity costs a water boiler is more efficient that a stove.

Another thing could be a commercial thermos, but I don’t know how long they hold heat.

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Loobeensky OP t1_irombcn wrote

I use a water boiler (a 1000W one, what a scary number) so I guess there just no way of cutting the cost of my teas any further unless I get a private spring and solar panels :D Thanks for help! :)

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SunflowerDune t1_iroo26b wrote

I guess you have a new product idea there: solar powered tea maker.

Last resort could be going over to ice tea instead :)

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