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Bodum Shin Cha Tea PressAfter 5 years of pretty much exclusively using my Bodum teapot, I have gotten so used to it I only notice the process when I'm not at home and have to use a different teapot.
I like having a big pot of tea sitting on my desk while I work on the computer but with most teapots, the tea continues to gain in strength the longer it stays in the pot; unless you want to outright remove the tea which is nothing but a hot mess. This is the best teapot in my experience for being able to brew tea that can stay in the pot but not continue steeping and increasing in strength.
The system is very simple, the strainer inside the teapot has no holes in its bottom section so when the plunger is fully depressed the tea cannot continue to soak in the water as it has been cut off and sealed in the bottom of the strainer.
I use it whenever I'm at home and can have 1 liter of tea that is of a consistent strength sitting on my desk, making the only other issue I have to deal with the fact that eventually, it will go cold which is an issue I have not found a solution to other than drinking the tea.
I was not able to find the exact porcelain model I have online anymore, it seems like Bodum may have discontinued it but they make the same size and shape pot out of borosilicate glass (the stuff pyrex is made from) so if anything it's now stronger and more shatter-resistant if dropped plus since its now clear you can see exactly how much tea is left in the pot.