Water kefir is a refreshing, dairy-free fermented drink that has become popular with South Africans exploring gut-friendly foods at home. This guide explains what it is, how it is made, and what to look for when buying grains. It is general information rather than medical advice.
What is water kefir?
Water kefir is a lightly fizzy fermented drink made using water kefir grains — small, translucent cultures (sometimes called tibicos) made up of beneficial bacteria and yeasts held together in a sugar-based matrix. When added to sugar water, the grains ferment the sugars over a day or two, creating a tangy, naturally effervescent drink.
Water kefir vs milk kefir
- Base: water kefir uses sugar water; milk kefir uses dairy or plant milk.
- Dairy-free: water kefir is naturally vegan and lactose-free.
- Taste: water kefir is light, fizzy and mildly tangy; milk kefir is creamy and sour.
- Reusable cultures: both use living grains you can reuse batch after batch.
How it is made at home
In simple terms: dissolve sugar in water, add the grains, cover loosely and leave at room temperature for 24–48 hours, then strain out the grains (which you keep for the next batch). Many people do a second ferment with fruit or juice to add flavour and extra fizz. Always follow the instructions that come with your grains.
What to look for
Buy live, active water kefir grains from a reputable supplier, with clear instructions included. Fresh, healthy grains ferment reliably and can last indefinitely with regular feeding.
Frequently asked questions
Is water kefir vegan?
Yes — it is made with sugar water, not dairy, so it suits vegan and lactose-free diets.
Does water kefir contain alcohol?
Fermentation produces a very small, trace amount, similar to other naturally fermented drinks.
Can I reuse the grains?
Yes — strained grains are reused for batch after batch, which makes water kefir very economical.
Where to buy water kefir in South Africa
At Anadea you can buy live water kefir grains and supplies, in stock with fast nationwide delivery, so you can start brewing your own dairy-free kefir at home. Browse our fermenting range to get started.