In article ,
"Steve B" wrote:

I'm making a wort chiller. That's just a spiral of copper tubing to cool
boiling hot beer brew to put into the fermenter. I need to join the ends,
and in the configuration it's in, it would be easier to use a sweat fitting
than a compression. Is there any problem with that small amount of solder
regarding lead?

Use lead-free silver-tin solder:

http://www.howtobrew.com/appendices/appendixC.html

http://www.howtobrew.com/appendices/appendixB-2.html

The google search string that yielded the above was "wort copper solder".

Joe Gwinn