I'll have to give this a try.

I've been very satisfied with using a solution of 1 cup of citric acid to a 
gallon of hot (From your faucet hot.) water.

-----Original Message----- 
From: Michael Blair
Gye Greene. your experience is about the same as mine.  Been
using vinegar for about 8 years now.  Got tired of the cost
of Naval Jelly and found vinegar was not only cheaper, but
easier to use.  The grey surface?  0000 steel wool cures that.

Mike in Sacto