Whiskey inside a metal flask for a month. Safe for drinking?

by Somebody still uses you MS-DOS   Last Updated September 27, 2017 07:17 AM

Taste aside, is it safe for drinking? Whiskey that was left inside a stainless steel flask?

Stainless steel flask

Answers 5

Whiskey is quite high in alcohol, on the order of 40% by volume, and is not hospitable to pathogens growing.

The flask is intended to hold liqueur, and so is made from or lined with a food safe material, such as food grade stainless steel (assuming you have one from a reputable manufacturer).

So yes, it should be fine.

Remember: when it was brewed, the whiskey was probably held at different stages for long periods in a stainless steel vat.

May 24, 2013 21:59 PM

Do keep in mind, though, that some cheap flasks will have plastic liners on the inside - you may want to see if this is the case with your flask. (A month is not particularly long, though.)

June 14, 2013 11:27 AM

I have a dozen stainless flasks, that i place 80 proof whiskey in and age an additional 4 years before drinking.......some of the best stuff I've ever drank.

jeff harris
jeff harris
May 05, 2014 01:57 AM

My stainless flasks, USA made, purchased from distilleries indicate that spirit alcohol (of any proof) should not be stored for more than 3 days. I've never pursued an explanation for the statement. The flasks generally don't have any contents left by the beginning of the third day. While this may not constitute an answer, it's worth considering all the same.

February 13, 2017 17:25 PM

My boyfriend and I placed johnnie walker black in a stainless flask . obviously from china

it tastes metallic hmmmm will it shorten my life

Jasper Laguitao
Jasper Laguitao
September 27, 2017 07:00 AM

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