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Soldering water pipes

An old plumber's trick for resoldering copper water lines when making repairs is to take a piece of white bread, make two dough balls and then stuff them up the pipe in both directions. The dough balls will block the water while the soldering is being done, and then dissolve easily in the water system.

Chris Valenzuela, Millboro, VA
From Fine Homebuilding 8, pp. 12
May 1, 1992

Related Topics:
Soldering Guns | Copper | Supply Lines | Other Hand Tools | Plumbing Parts | Metals | Other Materials
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