What are the advantages of applying teflon tape to pipe threads? - Quora
LA-CO Slic-Tite Thread Sealing Compound
1/2 PT. Rectorseal #5 – Pipe Dope – Law Supply, Inc.
Hercules® Pro Dope® 15445 Thread Sealant, 5 gal Pail with Handle, Gray | Cooney Brothers
Can't tighten this steam radiator nut, I have slow drip at the union nut, could this be pipe dope I am fighting or something? Wrench direction should be up right ? :
Nylog White - Sealant for Air, Water, Gas, and Glycol
How to Create Leak-Proof Joints with Pipe Dope | Oatey