On Sun, 15 May 2016 23:55:25 -0400, Ralph Mowery
wrote:

In article ,
says...

On Sun, 15 May 2016 10:32:04 -0700 (PDT), bob haller
wrote:

a plmber i know uses both, teflon tape and then pipe dope


he has been a plumber forever and said it guarantees no leaks

...forever?

Really. Wow...

It is just dumb to put both on a pipe. Use one or the other. I saw a
Youtube of putting pipe dope on a flaired fitting threads. Another dumb
move as there should be nothing to leak at the threaded part.
If it does leak, something was not done correctly.

Correct.