How long will cooking oil stay good inside a ';Fry Daddy?';?

The top has been sealed.How long will cooking oil stay good inside a ';Fry Daddy?';?
I got my fry daddy in '88, I have yet to change the oil.How long will cooking oil stay good inside a ';Fry Daddy?';?
It depends on what you cook in it. If you cook meat I wouldn't reuse it, but if you cook fries or something like that it will last a couple of days
not long
Used cooking oil will turn rancid in a matter of days.
keep it covered, the oil will stay good for at least 3 months.





the temperature that oil reaches is the reason it can be used for so long, no bacterias can survive in that kind of heat.
Hydrogenated oil, the one that will clog your heart are reusable and will last longest.