What is different about Mad Millie Artisan Cheese Salt? Mad Millie Artisan’s Cheese Salt contains no iodine.Iodine may disable your bacterial starter cultures and prevent them from working. This is why we don't recommend using iodised salt. Related articles Can I use kosher salt for cheese making? How to Video - Mozzarella Why do I add citric acid? Can I use Feta moulds to make other cheese? How do I prevent my feta from melting/going slimy?