M moribundman Joined Jun 2, 2003 Messages 23,591 Nov 13, 2005 #2 What about having four bottles of the same oil tested, two of each at two different labs.
Warstud Joined Sep 2, 2005 Messages 10,442 Location MIchigan Nov 13, 2005 #3 Has anyone ever done a VOA on two seperate quarts of the same oil?