I bought a cheap tea kettle, made in China, and they recommended to always dump out the water at the end of using it. Of course, it's not my habit to always do that. I don't remember us doing that with Revere Ware, for example.
Now I see why they said that -- it has "oxidized", or developed a greenish-blue coating, on the copper inside the kettle, on the bottom. Do you think this is ok to still drink from, or should I get a new kettle? Informed answers are appreciated, thanks!
Is is bad to drink from a copper tea kettle that has turned green inside?
Mine's all green as well. I never considered it a hazard. I'll watch your question, but I can't imagine it would be dangerous. Like you said, it's just oxidized copper.
Reply:gosh, yes!!!
Reply:The copper has oxidized with the minerals in the water that was left behind so it could have a number of mineral deposits such as CuSo4 (copper sulphate) the green stuff. These tea pots are normally soldered around the bottom to seal the bottom of the pot to the sides of the pot. That is the part I would have a concern with. I have much doubt about chinese imports and the quality control. If they used a lead based solder that lead can leech into the fresh water and even more so into the standing water. The heat of cooking acts as a catalyst in the process. Hi lead content is not good for you period.
Revere Ware was not solid copper. It was copper laid over Stainless steel therefore, the copper did not mix with the water or foods you prepared. The copper was used because of the better heat transfer characteristics it has.
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