Join Date: Mar 2007
Location: New England
Thanked 7 Times in 7 Posts
Rep Power: 9
glycerin, vegtable, or olive oil
or use can use food grade silicone grease. You just want to improve the seal right? If the rubber flange is cracked, you'll need a new one.
If you liked my advice/response, give me some rep points. If you didn't......well what do you expect, it was free.