Why does black tea turn green in porcelain mug?

March 24th, 2008 · 2 Comments



I noticed recently that when i leave the tea in the mug which is made up of porcelain, it turns green after some time. This doesn't happen on glass mugs. I'm using standard twinings earl grey tea bags. Any ideas?

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    Tags: Black Tea


    2 responses so far ↓

    • 1 Sk8er Grrl // Mar, 2008

      It does really? DUDE THATS SWEET! I wanna see!

    • 2 Lance S. // Mar, 2008

      Don't drink it it might be something leaching out of the mug.

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