Hot and Tangy Apple Cider

8 whole cloves, or to taste

1 gallon apple cider

½ gallon orange juice

1 quart grapefruit juice

6 cinnamon sticks

Place the cloves into a tea ball, and place into a slow cooker. Pour the apple cider, orange juice, and grapefruit juice into the slow cooker, and drop in the cinnamon sticks. Stir once or twice. Set the cooker to High, cover, and cook until the mixture is hot; then keep warm on Low setting. Serve in mugs.