Sealing 3" Rodding access Threaded Connections

Hi, just trying to find out what method you use to seal 3" rodding access threaded connections (with square end) within a drain set up, not sure if PTFE tape is ok or not......

Ones I have looked at seam to be a threading compound, I was just concerned that if a compound was the correct method would this be really hard to undo?

Many thanks!

cleanout

Not sure what you mean by "square end" unless you are referring to the top of a screwed plug. If it is a threaded connection, then any sealer suitable for your material is a proper.

hj said:

Not sure what you mean by "square end" unless you are referring to the top of a screwed plug. If it is a threaded connection, then any sealer suitable for your material is a proper.

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Yes the square end is the top of the screwed plug (where the wrench would go).......so are you saying that I can use ptfe tape or thread compound