: : We have wrapped Teflon tape around plastic threads about 4 revolutions, but the joint still leaks water. Is there any other sealant thai I can use that would make a water tight joint? Thanks
: No matter if you use teflon tape, joint compound or both, if the fitting is not tightened properly, it will continue to leak.
: Are you wrapping the tape with the directions of the threads and holding back while you tighten the fitting?
Yes, we wrapped the tape in the right direction. What do you mean by "holding back while you tighten"? The tape is super tightly wound before we attempt to thread it on.