Copper for beer fittings?

[kirscp]

I have a few old kegs and keg couplers. Some of the couplers don't have the stainless rod with elbows and shutoffs. 1/2" copper pipe is the same size, so I could use copper and be able to get the fittings I need, very easily.

Is there any reason copper shouldn't be used with finished beer?

Thanks

 

[missing link]

I don't know the exact reason but I have read a few times that copper before the boil is good and copper after the boil is bad.

Linc

 

[pompeiisneaks]

Odd I use a copper wort chiller exactly for after the boil... not sure I follow what you mean though... I think copper should be fine.

 

[missing link]

I think there is an issue with copper in long term contact with the beer. Such as in a copper fermenter or copper fittings in a keg. The immersion chiller is not in contact long enough to be a concern.

But I don't know enough to tell you exactly why. Sorry

Linc

 

[kirscp]

I wonder what is considered long term contact.

 

[ruffdeezy]

I read that that harmful materials in the copper can leach into the beer, I don't remember where I read that however.

 

[conpewter]

Copper is only an issue after fermentation (or well... during), it catalyzes oxidation reactions.

 

[conpewter]

Good podcast with John Palmer (metallurgist)
The Brewing Network.com - :

 

[kirscp]

Thanks for the info.