This large crystal grinder salt is made by dehydrating pure sea water into a salt which is perfect for salt grinders. It is untreated and contains high minerals. This all natural sea salt is also a great all purpose salt that is great for bines, pickling, salt crusts and any other salt application. We can also supply black salt and himalayan crystal salt for table grinders. - Custom made size available - Custom made packing available - For more details visit our website