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Discussion Starter · #1 ·
Hello and thanks. Most of the hot water 1/2” copper is black in color. Some of the cold too. I live on a farm with private well. What is the cause and do I need to replace it. The house was built in 1985. I’m redoing the plumbing as all the valves are corroded, so wanting to know how far I have to g
 

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JUSTA MEMBER
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I have seen people coat them with a creosote solution, as a type of insulating to prevent sweat condensation on the surface.

And a black buildup inside the pipe from a high sulfur content in the water.

ED
 

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Are the two darker ones hot or cold water and the "copper" ones the opposite?

Hot water can cause faster oxidation and so can cold water if it condenses on the outside of the pipe.
 

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JUSTA MEMBER
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The blacker one is the hot connection.
So will the line be ok if it’s blackened? Should it be replaced? I don’t notice any problems as far as flow rate at the ta
There is nothing wrong with it, it's nature taking her course.

200+ years from now it might be a problem, but not now.

If it bothers you, take a strong cleaner and shine it up again, but the oxidation will always come back in 20 years or so.

It is not a problem.


ED
 

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Discussion Starter · #14 ·
The blacker one is the hot connection.
So will the line be ok if it’s blackened? Should it be replaced? I don’t notice any problems as far as flow rate at the ta
There is nothing wrong with it, it's nature taking her course.

200+ years from now it might be a problem, but not now.

If it bothers you, take a strong cleaner and shine it up again, but the oxidation will always come back in 20 years or so.

It is not a problem.


ED
Good to know. Thanks for the info👍
If I’m here in 100 years I’ll definitely change it out. 😎
 
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