On Saturday, March 18, 2017 at 8:22:19 AM UTC-4, Joe Mayer wrote:
I have 120psi water pressure at my house and am having a hard time
getting a complete seal on the water connections of my tub faucet.

120 PSI may be a problem for applicances but it shouldn't matter on a pipe thread connection.

Teflon tape is fine, if wrapped carefully in the right direction. I've had better luck with tape than dope. YMMV.

My guess, you need a bigger wrench.