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Electrolysis question--copper pipes

Posted by bobyoe (My Page) on
Sun, Oct 17, 04 at 18:01

Will copper plumbing with soldered joints fail if I pump ssalt water through it?

I posted this on the plumbing forum too.

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RE: Electrolysis question--copper pipes

The system is made of more than copper and solder. There is msot probably a pump and other fittings, some of brass or stainless steel or aluminum or steel or zinc. Electrolysis WILL occur between dissimilar metals in a saltwater environment. Corrosion will occur if any air is introduced to the system. Regular non-lead (or leaded) solder will survive suitably, but any saltwater system needs inspection and maintenance.

Can you use plastic pipe instead of metal? Can you use a fluid other than saltwater?

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