Ouestion on McMaster-Carr Quench

I think I read it is OK to use but not as good as parks.

I also heard that peanut oil or a mix of motor oil and transmission fluid works.
 
Thanks guys, I believe I will give it a try. I'll post some Rockwell results when I get it in.I have been using Parks 50 with excellent results but, having to jump through all the hoops and paying a premium for it has led to searching for an alternative.
 
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