Natural Rennet

IMCU stands for International Milk Clotting Units. It measures how strong rennet is and gives you a guideline how much to use. The higher the number, the stronger the rennet and the less you need to use to clot the milk. Strong rennets are hard to measure for small batches of milk, therefore we offer a weaker one for home producers and stronger ones for commercial operators and people with their own dairy animals.

The 65 IMCU Rennet available in 100ml bottles is perfect for the home cheesemaker making batches of cheese with 1-10 litres of milk. It is great for junket, soft cheeses, mozzarella, string cheeses and cream cheeses as well as camembert, St Marcellin, valencay, and crottin.

The 250 IMCU Rennet is available in 100ml and 1 litre bottles. The 100ml bottles are for the more serious home cheesemaker with their own dairy animals, making batches of cheese with 10-50 litres of milk, whereas the 1 litre bottles are great for artisan producers. It is excellent to make whee...