Pipe Fitting Pro or Plumbing Pretender? Take the Challenge!What’s the best method for a strong, lasting repair on a leaking copper pipe?95%Next Correct Incorrect Soldering copper pipes with flux makes a durable, leak-proof connection. What’s the best method for a strong, lasting repair on a leaking copper pipe? Use PVC cement Compression fitting Solder with flux and solder Threaded fitting 95%