Sealing radiator pipes

["Ron Fine" <RonFineEsq@earthlink.net>]

I've been having trouble sealing a tiny, slow, leak at the connection of the
lower rubber hose and the radiator pipe.  I have used several rubber hoses so
I don't think the problem is with the hose.  Maybe the radiator outlet is not
perfectly round?  I don't see any cracks or holes in the metal.  Has anyone
used a gasket sealer or other type of sealer between the rubber and metal in
these areas??
Ron
61BN7