does it really make a noticeable taste difference? I guess I’m wondering if it is worth the risk of trace heavy metal intake to drink it from a solid copper mug.

Or is drinking it from a copper mug with a protective inner lining just as good?

This post was edited on 5/8/19 at 10:50 pm

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Posted by Prosecuted Collins

The Farm

Member since Sep 2003

7359 posts

Posted on 5/8/19 at 11:33 pm to Lgrnwd

I’m pretty sure the trace elements aren’t gonna make it any worse for you after reading that post. You may need some more heavy metals in your diet just to save me a headache.

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Posted by fightin tigers

Downtown Prairieville

Member since Mar 2008

79782 posts

Posted on 5/8/19 at 11:40 pm to Lgrnwd

The alcohol will do you in before the heavy metal poisoning.

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Posted by Twenty 49

Shreveport

Member since Jun 2014

21521 posts

Posted on 5/9/19 at 6:19 am to Lgrnwd

I have a lined copper mug. It's part of the experience, but it doesn't affect taste.

Unlined mugs can expose you to tiny amounts of copper, but not enough to care about unless you marinate a huge drink in one all day.

quote:
most Moscow mule mugs are lined with another material which fully eliminates concern of copper exposure and copper toxicity.

Unlined copper mugs are generally safe to drink out of... According to a study done by the National Research Council (US) Committee, copper toxicity symptoms only occurred after ingesting 30 milligrams of copper per liter that had been sitting in an unlined, pure copper mug for hours.

This means that a guest would need to consume a liter’s worth of Moscow mules that had been sitting in an unlined copper mug for several hours before copper poisoning is a possibility.

Iowa banned unlined copper mugs in accordance to the FDA's suggestion. The FDA asserts that copper may leach from an unlined copper mug into food and beverage that has a pH lower than 6. As such, the FDA suggests that establishments do not allow copper to contact food and drink with that acidity level. A Moscow mule falls under this category because lime juice and ginger beer both have a pH lower than 6.