500ml Glass Jar with lid

Fermenting, preserving  and storage jar with stainless steel compound lid.

Capacity: 1000ml

Size: 17cm high

Mouth size: 7.6cm wide mouth

Lacto-Fermentation - Making Sauerkraut, Kimchi and delicious Pickles loaded with Probiotics for Gut Health

We have been fermenting vegetables ever since we started a vegetable garden well over 10 years ago and we love the support that they give to our gut microbes to keep us healthy.
At some stage throughout the seasons, you may also find yourself with too much cabbages, carrots and beetroots and would like to turn them into healthy, vibrant and delicious ferments.
This is a newly updated version containing 7 more recipes as well as pickling - the traditional way.

This eGuide contains 45 pages of detailed instructions and recipes (please find the table of contents below).

This is an ebook and will be available as a pdf to download once your order is placed.

Stainless Steel Thermometer for kefir, yoghurt and cheese making

13.5 cm long with clip

This thermometer is an accurate way to ensure you are heating your milk up to the right temperature for milk kefir, yoghurt and cheese making. It contains handy indicator lines so you get your temperatures right every time without even checking your recipe. 

This thermometer has a clip to attach the thermometer to a pot or jar.

This guide covers all the basics that you need to know to create probiotic, healthy milk kefir using milk kefir grains. We have well over 10 years of experience and know how to get milk kefir grains to thrive so you can also have them for a lifetime.

If purchasing our KoruKai Milk Kefir Grains or our Milk Kefir Kit this eGuide is included with your purchase.


You will get the eGuide as downloadable pdf so make sure you enter the correct email address when placing your order.

Last update: 12th March 2024

We will make a big batch in a certified dairy factory twice a year so you can stock up when needed. We have it available over the next week. Orders can be made until 3rd May, 8am. We will ship it on the 4th May.

More info and FAQ is below!

This silicone fermentation airlock and stainless steel band is perfect for keeping lacto-fermented pickles and drinks under an airlock during fermentation and storage. As pressure builds up gas pushes out the top of the spout without letting air in.

Diameter of airlock is 8.4cm

One airlock with ring is $8.90

For airlocks without ring please go here.

We only use certified organic food and filtered spring water to grow our grains!

Make your own fizzy, probiotic drink to benefit your digestive tract.

Perpetual culture, use over and over again. 

3 Tbsp of fresh or 1 Tbsp dried organic water kefir grains (choose below) to make 1 litre of fizzy, probiotic drink every 48 hours.

Come with our comprehensive Water Kefir eGuide with recipes for lots of inspiration.

We recommend our Water Kefir Complete Food to feed the grains optimally.

Shipment of fresh water kefir grains every Monday (or Tuesday if Monday is a public holiday). Orders and payments need to be in by 4pm Saturday to get shipped the following Monday.

The Ultimate Dairy Yoghurt Guide

Learn how to turn dairy milk into healthy and delicious natural yoghurt without any additives.

With recipes turning yoghurt into a variety of soft cheeses and dips and using it for baking to enhance nutrient availability and flavour.

This eGuide contains 40 pages of detailed instructions and links to demonstration videos on how to make thermophilic and mesophilic yoghurt on a perpetual basis as well as recipes to turn your yoghurt into special dishes - from yoghurt icing for a cake to yoghurt cheese balls and labneh (please find the table of contents below).

This is an ebook and will be available as a pdf to download once your order is placed.

Diameter: 8.4cm

This silicone airlock is perfect for keeping lacto-fermented pickles and drinks under an airlock during fermentation. As pressure builds up gas pushes out the top of the spout without letting air in.

They are suited for mason jars and are secured with a stainless steel ring (ring not included). This airlock fits our 1 litre Glass Jar with stainless steel compound lid.

1 airlock WITHOUT ring is $5.90.

For airlocks with ring please see here.

UNAVAILABLE AT THE MOMENT. Sign up below to get an email once it is available again.

We are excited to bring our very popular fermentation workshop to your home!

Classes consist of videos, online lectures, step-by-step instructions, recipes and tips and tricks. We will also answer all your questions and help you along the way. You can join anytime and watch the content at your own pace. You get 6 months to view the contents and ask questions in the forum.

Newly updated guide with more recipes and tips. A fresh FAQ section has also been added.

This guide covers all the basics that you need to know to create probiotic, healthy, fizzy water kefir sodas.
It includes instructions how to make the frist and the second ferment and includes recipes and flavour combinations.

You will get the guide as downloadable pdf so make sure you enter the correct email address when placing your order. Please look for an email with the subject line: [KoruKai Herb Farm] Files available for your order

If purchasing our KoruKai  Water Kefir Grains or our Water Kefir Kit this eGuide is included with your purchase.

Last update: 22nd June 2022

We will make a big batch in a certified cheesery once a year so you can stock up when needed. We have it available over the next week. Orders can be made until 3rd May, 8am. We will ship it on the 4th May.

Must have for cheesemaking, kefir cheese and yoghurt cheeses.

Made with certified organic cotton.

Size: 1.5m x 1m

Billions of probiotics per tablespoon for gut health.

1 portion of active organic milk kefir grains to culture 1 cup of milk in 24 hours, which can increase to 1 litre within 2 weeks.

This kit contains all the basic equipment that you need to make probiotic milk kefir at home. Instructions are sent via email.
An additional glass jar for keeping ready kefir milk in the fridge can be purchased here: 500ml glass jar.

Shipment of fresh milk kefir grains every Monday (or Tuesday if Monday is a public holiday). Orders and payments need to be in by 8pm Sunday to get shipped the following Monday.

Fermentation jar with airlock and glass weight.

One thing that should be in just about everyone's diet are fermented or cultured foods. Not only are they packed with flavor, but they're positively brimming with probiotics.

Those little microorganisms support your immune system and help to revive and maintain gut health. Fermented foods are also rich in B vitamins, food enzymes and key antioxidants that support healthy cells.

Billions of probiotics per tablespoon for gut health.

1 portion of organic milk kefir grains to culture 1 cup of milk every 24 hours, which can increase to 1 litre within 2 weeks. Available in hydrated and dehydrated form (please select below).

Shipment NZ wide to urban and rural addresses as well as PO Boxes.

Shipment of fresh milk kefir grains every Monday (or Tuesday if Monday is a public holiday). Orders and payments need to be in by 4pm Saturday to get shipped the following Monday.

We have a set amount of grains per week and are generally out of stock by the end of each week. If this product is out of stock it will be back in stock on Saturday evening, so you can order for the following week.