Posted by Fellow STJ Pumper on March 29, 1999 at 10:01:10:
In Reply to: HAVING TROBLE WITH A SEAL FOR MY STJ posted by JAMES on March 28, 1999 at 14:57:59:
I use a foam ring that the hardware stores sell inplace of wax rings. This foam ring is the perfect diameter for the jar and provides a good seal. You might also try running a thick bead of silicone around the rim. Let it dry and it may provide the seal you are looking for.