Jens Lundgaard wrote:
Keep it wet, so the seal doesn't dry out. I use a little petroleum jelly as
well.

Don't use petroleum jelly--or any other petroleum product...petroleum
products are highly destructive to rubber. As for leaving water in the
bowl, it never touches the seal. At least, it shouldn't.
--
Peggie
----------
Peggie Hall
Specializing in marine sanitation since 1987
Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and
Other Sources of Aggravation and Odor"
http://www.seaworthy.com/html/get_ri...oat_odors.html