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Drying milk kefir grains

How to dry or dehydrate your milk kefir grains safely for long term storage when you need to take a break from making milk kefir or you have too many and require a backup supply.

Instructions on drying milk kefir grains

Rinse off the milk with filtered or distilled water.

Pat dry with paper towel.

Place on a piece of parchment paper inside a ceramic or plastic container that has a rim. Break up the cultures if they are too big to increase the size of your surface area for dehydration. If your cultures are too big they may not dehydrate quick enough and risk growing mold. Roughly about the size of a R5 coin is good.

Cover with another piece of parchment paper or muslin cloth that goes over the rim of the container to prevent fruit flies from settling. You may need to weigh down the parchment paper or muslin cloth onto the rim of your container to prevent the wind from blowing up or away. Wooden spoons or spatulas work well for this.

Leave to dry at room temperature which will take around 5 to 8 days depending on the air temperature.

You can use a dehydrator provided the temperature of the dehydrator does not reach higher than 30 degrees celcius. This is a preferable option in the cold winter months when the cultures may take too long to dry out and can grow mold because it is too damp. In a dehydrator the drying time will cut down from 3 to 5 days depending on the temperature. Usually 3 days.

Be careful not to over dehydrate them. Light brown is a good colour. Cultures that have been left dehydrating for too long go dark brown in colour.

If your cultures do go moldy whilst drying them out then you will have to unfortunately throw them away.

Once your cultures are dehydrated place in a glass jar and screw on an air tight lid. Store in the fridge forĀ up to 6 months.

Dehydrating milk kefir grains

Dehydrating milk kefir grains on baking paper

Dehydrated milk kefir grains

The darker brown dehydrated milk kefir cultures on the left are over dehydrated. The ones on the right are good.

How to rehydrate dried milk kefir grains

When you are ready to use your dried milk kefir grains follow our instruction on how to rehydrate milk kefir cultures.


Don’t have your own milk kefir cultures yet? Find out more about our:

Milk Kefir GrainMilk Kefir Starter Kit

Get going and make your own milk kefir at home with theseĀ authentic, re-useable, live milk kefir grains, basic equipment and step-by-step instructions.

Learn more>>