Does freezing kefir grains kill them or harm them?

Kefir grains are communities of many types of bacteria and yeast. Just about any long term storage technique is likely to affect some types more than others - some of those changes may not be very apparent. read more

Some people advise freezing milk kefir grains in milk. Some advise washing them and freezing them in water. Some advise washing them, and draining the water off, and then freezing them together with dry milk powder. I think it would be less stressful to just freeze them in fresh milk. I’ve not tried freezing grains. read more

Freezing does not kill the beneficial probiotics in kefir; they simply go dormant until thawed and consumed. Similar to freezing milk, the solids and whey in kefir will separate in the freezing process, but you simply shake the thawed kefir to reincorporate. read more