The best replacement for copper pipe is pex.

The best alternatives to copper pipe are rated as following:
★★★★★  pex
★★★★★  pvc
★★★★  plastic pipe
★★★★  cpvc
★★  plastic
★  pvc pipe
★  copper tubing
★  pex pipe
★  galvanized
★  galvanized pipe
★  stainless steel pipe
★  blue copper pipe
  steel pipe
  aquapex
  tubing
  plastic tubing
  pex tubing
  iron pipe
  cpvc pipe
  type m
  type l

Your alternative for copper pipe is not listed? Suggest!
Speaking about copper pipe, one probably shouldn't forget about magnet.

Other search terms related to copper pipe and their ratings are:
★★★★★ magnet
★ compression fittings
★ galvanized pipe
You have in mind a companion for copper pipe and it is not yet here? Propose!



Google Trends

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copper pipe
pex
pvc