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How to Solder Copper Pipes

Soldering, also known as sweating, is a foundational skill in plumbing that opens the door to professional-quality copper piping repairs and installations. Heat is applied to a joint between two metal parts—typically copper pipes and fittings—allowing the filler metal to flow into the joint and creating a watertight seal.

After the soldering process is completed while the pipe is still warm, you can wipe the joint with a dry clean rag to remove the excess flux. If the pipe has cooled or fluids are passing through it, you can use mild detergents (i.e. Dawn dish detergent) to wash off the excess flux. 
Yes. It is very important to stir upwards from the container bottom to insure any salts which have settled are mixed evenly into the flux. This should be done before the start of each project.
2 years from date of manufacture.
No. Oatey does not manufacture a solder or flux for this application.

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