The Mad Millie Fresh Cheese Culture is the ideal culture for soft and fresh cheeses. Aromatic Mesophilic is a freeze-dried, mixed strain culture containing Lactococcus lactis subsp. cremoris, Lactococcus lactis subsp. lactis, Lactococcus lactis subsp. lactis biovar diacetylactis and Leuconostoc. Aromatic Mesophilic is a gas-producing culture, where little air pockets will be observed in the cheese. If gas is not desired, then use the Mad Millie Cheese Culture. Each sachet contains enough culture for 4 L of milk. Activity = 2.4 U. 5 sachets will make: 20 batches (8 kg/17.5 lb) Fresh Cheese Contains: Milk