Compression fittings, for one example ... you'll never need plumber's tape for PVC, soldered copper plumbing pipes, or PEX fittings. So, then, we've established that overtightening your pipes ...

If you have CPVC (plastic) or steel pipes, add tee fittings made of the same material. If you don’t want to solder, you can cut the copper water pipe and install a 5/8-in. O.D. compression tee ...