Can you use a teabag more than once?!
Not exactly it looses its main flavor as soon as water is absorbed your better getting a new one for each drink
Depending on how strong you like your tea, you can get 3-5 cups per bag.
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The teabags gives the best flavor on the first steeping. It gets progressively weaker after that.
Of course you can ! Just try to keep it in a germ free environment
I use mine on multiple women everyday and they don't complain.
I have gotten up to five cups of tea from just one tea bag.
No, tea will taste bitter.
It would be really weak