#2 heating oil is pretty much kerosene. Dont worry about it.
^^ This It’s done all the time around here. Different levels of #1 to #2 depending on the cold. #2 fuel oil will jell below 20f, cutting with Kerosene reduces jelling. Most likely the reason your tank is normally filled with #1 is the tank is outside.
yes, the tank is outside.
Thank you