Mike Senior Member Joined Sep 17, 2009 Messages 145 Reaction score 0 Dec 23, 2009 #1 To prevent spoilage.
M Malkore Senior Member Joined Mar 16, 2009 Messages 371 Reaction score 1 Dec 23, 2009 #2 Never had. And I have some 11 year old bottles that show zero signs of oxidation.
