Choose express shipping to ensure your fresh kefir grains arrive quickly and maintain their quality for the best results! Refridgerate on Arrival.
Laboratory Analysed and Certified Species here
Milk kefir grains contain a probiotic strain: Lactobacillus kefiranofaciens CGMCC2809 (ZW3) which may improve depression by regulating the gut microbiota as a probiotic food. Link to Study
What is Milk Kefir Probiotic Drink?
Milk Kefir is a fermented milk drink that originated in the Caucasian Mountains near Turkey, where it was used for centuries as a healthy drink. Kefir is traditionally made with milk kefir grains. Kefir has the texture and consistency of thin drinking yoghurt, with a yeasty, slightly tart flavour and creamy mouthfeel.
Make delicious all-natural organic kefir for your family every day. You only need to purchase our culture once for a lifetime supply.
How Does Kefir work?
Kefir is a probiotic - a source of beneficial bacteria and yeasts which help maintain a healthy digestive system.
Health Benefits:
- Look and feel healthier in days
- Feel more energetic and vibrant
- Boosts immune system
- Potent probiotics with approximately 30 to 100 strains
- Lowers cholesterol
- Lower Blood Sugar
- Anti-oxidant
- Strong Anti-inflammatory
- Optimises digestion and utilisation of nutrients from food consumed
- Alkalises and detoxifies the body
How to Make Milk Kefir
Simply add 1 tsp (5g) of fresh organic milk kefir grains as purchased to 250ml ml organic milk and produce 1 cup of milk kefir every 24 hours. Instructions and ongoing support are included with the purchase.
We highly recommend adding our Milk Kefir Growth Premix or Pure Colostrum Powder to boost immune function and the growth of probiotic organisms.
Serving Suggestions
Serve Kefir with your favourite fruit and honey, or add to smoothies. Milk kefir can also be used to make salad dressing, ice-cream, cheese and many other delicious foods (see recipe book included).
Ingredients
Organic Milk Kefir Grains
Storage of Milk Kefir
If you are not making milk kefir you can store milk kefir grains in a refrigerator in milk for up to 2 weeks. For long-term storage, milk kefir grains can be stored in a freezer for up to 2 years. After freezing, milk kefir grain may take up to 4 batches before returning to original potency.
SHIPPING INFORMATION
- IMPORTANT: We only ship Kefir Grains on a Monday, Tuesday and Wednesday so that they do not remain in transit via Australia Post over the weekend
Link to Recipe Ebook will be sent by email when the item is shipped. Please check your shipping confirmation email and If you haven't received make sure to check your Junk Email Folder.
MILK KEFIR — TROUBLESHOOTING GUIDE
Something's off with your grains? Here's how to read what they're telling you.
Every batch behaves a little differently — that's normal for a live culture. This guide walks through the seven places things most often go sideways, what's usually causing it, and what to do about it.
Grain health
Your grains are a living colony, so their condition drives everything else about your kefir.
My dehydrated grains won't wake up
Dehydrated grains are dormant, not guaranteed viable — rehydration can take anywhere from a few days to a few weeks, and a small proportion never recover.
Give it a full 1–2 weeks of daily milk changes before judging them dead. Use fresh full-cream milk at room temperature and discard each day's milk rather than drinking it while the grains are still reviving. Small, slow bubbling is a good early sign — don't expect thick kefir yet.
My grains have stopped growing or seem to be shrinking
Usually a sign of stress — most often ferment temperatures that are too cold, chlorinated water or milk touching the grains, or repeated contact with reactive metal.
Move your jar somewhere closer to 20–25°C, rinse grains only in filtered or bottled water if you rinse at all, and switch to plastic, wood, or ceramic tools and strainers. Growth should resume within a few batches.
My grains have gone slimy or smell strange
A stringy or slimy texture, especially paired with a sharp or unpleasant smell, points to contamination or a colony under prolonged stress.
Rinse the grains in filtered water, move to fresh milk in a clean jar, and shorten your ferment time for a few cycles. If the sliminess and smell persist across two or three fresh batches, it's safest to discard that batch of grains and start again from a healthy source.
My grains have turned yellow or orange — is that mould?
Usually not. A pale yellow or slightly orange tinge is commonly just fat and protein from the milk building up on the grains, particularly if you're using full-cream or raw milk.
A gentle rinse in filtered water usually clears it. True contamination looks different — see "Is it safe?" below for how to tell the two apart.
My grains are multiplying fast — what do I do with the extra?
Healthy grains roughly double every 1–4 weeks depending on conditions. Left unsplit, an overcrowded jar ferments unevenly.
Split off the excess once your main batch is noticeably denser than when you started. Extra grains can be eaten, added to a smoothie, composted, or shared — see "Fitting it into life" for storage options if you're not ready to use them.
Fermentation timing & texture
Temperature is the single biggest lever on how your kefir turns out — more than the clock.
My kefir is too mild or barely fermented
Most often under-fermentation — either the room is cooler than it feels, or the grain-to-milk ratio is too low for the batch size.
Extend the ferment by 6–12 hours and check again. As a rough guide, 1 tablespoon of grains per 2 cups of milk at room temperature ferments in about 24 hours — cooler rooms will need longer.
My kefir is too sour, fizzy, or yeasty
Over-fermentation — usually a warm room, too many grains for the amount of milk, or simply leaving it too long.
Shorten the ferment time, move the jar somewhere cooler, or reduce the ratio of grains to milk slightly. Strain a little earlier next time and taste-test in the last few hours until you find your preferred point.
My kefir has separated into curds and clear liquid
This is whey separating from the curd — a normal sign of a fully (or over-) fermented batch, not a fault.
Give the jar a gentle shake or stir to recombine before straining. If it happens consistently before you're ready to strain, shorten the ferment time slightly. Separated kefir is still fine to strain and drink, or use as-is for baking.
My results are inconsistent batch to batch
Kefir is sensitive to small changes — a few degrees of ambient temperature, a different milk brand, or a slightly larger grain mass all shift the result.
Keep one variable fixed at a time — same jar spot, same milk, same ratio — for a week or two while you dial in your preferred timing, then adjust one thing at a time from there.
Milk choice
What you feed the grains shapes both the culture's long-term health and the finished texture.
Does the type of milk matter?
Grains generally do best on fresh, minimally processed dairy milk. UHT (long-life) milk has been heat-treated in a way that can make fermentation slower or less consistent over time, since some of the naturally occurring nutrients the grains rely on are reduced.
Where possible, use fresh pasteurised full-cream milk. If UHT is your only option, expect slightly longer ferment times and keep an eye on grain growth over several weeks.
Can I switch milk types (cow to goat, or to plant milk)?
Milk kefir grains are adapted to dairy lactose and can weaken over several batches if moved onto a plant-based milk long-term.
If you want to try a plant milk, keep a portion of your grains in dairy milk as a backup "mother" culture. Switching between dairy types (cow, goat, sheep) is generally better tolerated than a full move to plant milk.
Do I need raw milk, and is it safe to use?
Raw milk is not required — grains ferment well in pasteurised milk. Where raw milk is legal to purchase for consumption, some makers prefer it for texture, though this comes down to personal choice and local food safety rules.
Pasteurised full-cream milk is the simpler, lower-risk default for most home fermenters and gives reliable results.
Jars & equipment
A few simple equipment habits prevent most of the mess and anxiety people report.
Can I use metal utensils or a metal strainer?
Brief contact with stainless steel is generally considered low-risk, but reactive metals (aluminium, or lower-grade steel) and prolonged metal contact can affect the grains over time.
Use plastic, silicone, wood, or fine nylon mesh for anything the grains sit in or against for more than a moment. Good-quality stainless steel is fine for a quick stir.
Straining is messy and grains slip through my strainer
Standard metal mesh strainers are often too coarse for small or newly split grains, especially early on.
A fine plastic or nylon mesh strainer sized for the grains makes the biggest difference. Straining over a wide bowl rather than directly over the sink also catches anything that slips through.
Should my lid be airtight or loose?
Kefir produces carbon dioxide as it ferments. A fully airtight lid can build up pressure, especially during a warm second ferment, leading to a bulging or leaking jar.
For the first ferment, a loosely closed lid, a cloth secured with a rubber band, or a jar with an airlock all work well. If you do a flavoured second ferment with a sealed lid, "burp" the jar once a day by briefly loosening it to release pressure.
Is it safe? Reading the signs
This is the part most people worry about most — and where a lot of perfectly good kefir gets thrown out unnecessarily.
How do I tell mould from harmless surface yeast or normal grain colour?
True mould appears as fuzzy, raised spots — usually black, blue-green, or pink — sitting on the surface, distinct from the kefir itself. Kahm yeast, which is harmless, looks more like a thin, flat, white or cream film across the whole surface. Neither should be confused with the grains' own pale yellow or off-white colour.
Fuzzy or coloured raised spots: discard that batch and the grains, and start fresh with a clean jar. A flat white film with no fuzz: skim it off, rinse the grains, and continue as normal — this is more of a hygiene nuisance than a safety issue.
How long can finished kefir and grains be stored?
Finished kefir keeps in the fridge for roughly 1–2 weeks, continuing to slowly ferment and sour. Grains can be rested in the fridge submerged in milk for around 1–2 weeks between batches.
For breaks longer than a couple of weeks, freeze grains submerged in milk, or dehydrate them for long-term storage — both extend viability well beyond the fridge window.
When in doubt, don't taste it. If a batch smells strongly unpleasant (beyond a normal sour or yeasty note), or you see fuzzy or coloured growth, the safest move is to discard the batch and start again with fresh grains. This guide covers general fermentation troubleshooting and isn't a substitute for food safety advice specific to your situation.
Fitting it into life
The daily rhythm is often the hardest part to sustain — here's how to build in flexibility.
I'm making more kefir than I can drink
A common outcome once grains are established and multiplying — production tends to outpace a single person's daily intake.
Reduce the grain-to-milk ratio, split and rest the extra grains in the fridge, or use surplus kefir in smoothies, baking, salad dressings, or marinades rather than drinking it all fresh.
I'm travelling or too busy to strain daily
Daily straining is the default, but grains don't need it every single day to stay healthy over a short break.
For trips under two weeks, submerge grains in fresh milk and store in the fridge — fermentation slows right down. For longer breaks, freeze or dehydrate the grains and rehydrate on your return.
Flavouring (second ferment)
Adding fruit or flavour after straining brings its own set of quirks, separate from the main ferment.
My flavoured second ferment exploded or over-fizzed
Fruit sugar gives the culture extra fuel, producing more carbon dioxide than a plain first ferment — especially in a sealed jar.
Use a swing-top jar you can burp daily, keep the second ferment shorter (a few hours to a day rather than a full day-plus), and go easy on high-sugar fruit until you know how your batch responds.
I accidentally added fruit to my grains instead of my strained kefir
An easy mix-up — the grains (the "mother" culture) should only ever go back into plain milk. Fruit or flavourings belong in the strained liquid kefir, after the grains are removed.
Remove the grains from the flavoured batch as soon as you notice, rinse them in filtered water, and return them straight to fresh plain milk. A one-off exposure is unlikely to cause lasting harm, but it's not a habit to repeat.

