Arizona Bill wrote:
replying to Don & Lucille, Arizona Bill wrote:
donchesley wrote:

internal or external threads on the spout outlet?

Hey Folks. Use the Teflon plumbers 'pipe dope', not the tape. Stays
flexible and will stop the leaking. End of Story

I've never seen a faucet aerator that didn't depend on a washer for the seal.
They are not designed for tape or dope to help.