Hot Mulled Apple Cider Slow cooker

1 gallon (16c) apple cider
½ C brown sugar
½ t cinnamon
¼ t ground cloves
¼ t allspice
¼ t ground ginger
¼ t nutmeg
3 (3") sticks cinnamon
1 orange studded with cloves, optional

Measurements don't have to be exact.
Place into slow cooker 2 hours high or 3 hours low
This can also be done on the stovetop, bring to a simmer and then set on low.