Quote:
Originally Posted by JT8Mech
You might want to heat the oil to above 212*F just to make sure there is no water in the fuel. This has been recommended in some of the "biodiesel" forums. You shouldn't need to cook it for long, just bring it up to about 250*F for 15 minutes. If is stops at 212 for any length of time as you heat it up, you know you have some water in it.
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That is really dangerous. If you have any water present, it can flash into steam and throw hot oil all over, including your burner. Far safer de-watering methods abound - do check out the forum at
http://biodiesel.infopop.cc/eve/forums/a/cfrm/f/2191066562