1. 

   Truzi Perpetual Student

   What is the shelf-life of unopened antifreeze? I found a couple gallons while cleaning the garage, and they are at least 4 years old.
   
   I suppose I could just test the specific gravity, but don't know if that would be sufficient.

    

   Truzi, Oct 11, 2004

   #1
2. 

   gstewart Well-Known Member

   should still be good to use .

    

   gstewart, Oct 12, 2004

   #2

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