Best copper rods according to redditors

We found 2 Reddit comment discussing the best copper rods. We ranked the 1 resulting product by number of redditors who mentioned them. Here are the top 20.

1. 110 Copper Round Rod, Unpolished (Mill) Finish, H04 Temper, Standard Tolerance, Inch, ASTM B187

1 mention
110 Copper Round Rod, Unpolished (Mill) Finish, H04 Temper, Standard Tolerance, Inch, ASTM B187
110 copper has high conductivity and formabilityMeets ASTM B187 specificationsUnpolished (mill) surface has no finishH04 temper has been cold worked to a hard temperStandard tolerance
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Top Reddit comments about Copper Rods:

u/FamilyHeirloomTomato ยท 3 pointsr/Homebrewing

I'm exploring the idea of making a DIY Brew Jacket. It appears to just be a peltier thermal cooler with a heatsync and fan, and a rod that submerges into the wort. And of course a temperature controller. $200 is way overpriced, I think it would be under $50 DIY.

The only tricky part is attaching the rod between the heatsync and the peltier device. I'm thinking a copper rod like this would work, but I have no idea how I would couple it to the rest of the setup. Any ideas?