What is a effective way to clean the inside of copper fittings after sweating them together?

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  • Are we going to see some pics of what you just sweated together? Or is this just a hypothetical.
    – brewchez
    Jul 17, 2010 at 14:57

2 Answers 2


If they're not attached to anything, maybe soak them in PBW for 30 minutes? If they're attached in a system, run PBR through the system for a few minutes. Either way, then rinse, sani, and brew!

  • 1
    I have no idea, by the way. I'm just assuming this is a good solution because it works for just about everything else. Jul 14, 2010 at 18:13
  • 1
    I recirculated PBW for five minutes, then rinsed. Jul 16, 2010 at 14:18

I've watched plumbers fix various pipe joints in the past, and they typically run water through them for a few minutes and then declare it good to go.

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