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I have quenched many different steels in the cheapest vegetable oil I could find.
I honestly think that for something with the thickness of a razors edge, it doesn't matter a whole lot. And I mean...

That should do. As long as the edge is still glowing dark orange when you hit the quench, it's ok

As Max said: with 1095 you need to drop fast.
Also from your explanation something isn't clear. You say after quenching you hand sand. How thin is your edge section when you quench? You have to...