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I have a ceramic mug which may have been used for a non-kosher hot beverage. I'm really not sure, I'm thinking I used it for coffee made at my parents' house a while back, though I'm not entirely sure. If it was used for coffee, I'm pretty sure that the creamer I used was, in fact, kosher, but I'm not sure as to the coffee. It was made in my parents' coffee machine, and they definitely don't keep kosher. It's been at least a year since I last used it.

  1. Can I assume that it's kosher?
  2. If not, can I kasher it?
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Please see meta.judaism.stackexchange.com/a/314/2 . I recommend that you bring your particular issue to your Rabbi and consider replacing your question here with a request for information about one of the general halachic concepts involved. – Isaac Moses Dec 7 '11 at 22:35
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Indeed, as Isaac Moses suggests, there are some good underlying questions here. However, its wording is too narrow for this site. Perhaps you should generalize your concerns and it will be reopened. (As a side note, its a general rule that earthenware cannot be kashered. Not sure how that applies here.) – HodofHod Dec 7 '11 at 23:50
Since the q is closed I can't post this as an answer, but the mug does not need to be kashered. – Dov F Jul 16 '12 at 15:42

closed as too localized by Isaac Moses Dec 7 '11 at 22:32

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