On Sun, 2009-12-20 at 20:05 -0800, Mark Perri wrote:
> If you pour it down your pipes aren't you going to oxidize all your copper
> pipes and dissolve them?

Depends where you are. Where I live almost all residential waste pipe is
either PVC (most common) or in really old installs cast iron.

Copper is only used for supply, and even that is only on older houses,
pretty much all newer houses now use PEX for supply.

TTYL


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