i clean my grinder meat as clean as possible i don' t add any other meat or fat to it until i am ready to use it not always sure how i am going to prepare it if i make jerky or any slow cook style meals (chile,steaw,soup ect
i don' t add any thing i add pork to most of my regular sausages and nothing to my summer sausage ,salami or bolagna when i make hamburgers for the grill i add some mild flavored pork sausage