If you'd like to know more about CURING MEAT & CHARCUTERIE take a look at the videos I have in my MEAT CURING & Charcuterie PLAYLIST ru-vid.com/group/PLFG0csw8wik02we2vkogJIKlVkMira-d4
good question, it’s unlikely it would be an effective starter culture if using it secondhand. I would always recommend using a fresh starter culture to ensure that you get the best results. When using secondhand starter culture you never know what else you are going to be adding into your salami.