Is a 1 in. Cold Water pipe that looks black really a copper pipe? Is
the black color age on the pipe but its really a copper pipe? Can it
be soldered? Can it be connected to copper fittings snd other pipes?
Mebbe so, but I have some copper pipes in the laundry room that have
turned black. There was also that thing about the killer Chinese
drywall turning copper black. It happens.
What's happened to education in this country when people don't
automatically think "magnet" when they're trying to determine if a
metal is iron/steel or not?
Probably, probably, probably, and yes, in that order.
If the pipe is really old, I'd say it's tarnished copper. Any black iron
pipe used for domestic water purposes would certainly not last to become
*very* old and problems would have manifested themselves by now. If it's
not very old, but is copper turning black, then you have a shale gas issue.
If that's the case, you need to lok into it and also get a Radon test kit.
You may have to seal the slab. sump crock, ventilate, etc. Are we talking
in a basement??
*You reminded me of my youth working for my contractor father. He had a
steady customer that built laundromats and some of them were not in the best
of neighborhoods. The plumber would always paint his pipes black so that
they would not look like copper thereby reducing the street value.
Take some sandpaper and buff a small area. You'll know right away what it
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