Fermentation Starters & Tools

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.

Everything you need to start fermenting at home with confidence. This complete Fermentation Pack includes essential tools for safe, consistent lacto-fermentation—perfect for beginners and experienced fermenters alike.

Includes a fermentation pounder, fermenting weight, airlock system, 1L preserving jar with stainless steel compound lid, and a comprehensive eGuide.

Additional Fermentation Jars with airlock and weight can be purchased here.

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.

Heavy-duty glass fermentation weight designed to keep vegetables fully submerged during lacto-fermentation. Fits most standard wide-mouth preserving jars including Mason, Kilner, Ball, and Agee jars. Easy to clean, reusable, and dishwasher safe.

Size: 70mm diameter x 25mm depth
Weight: 170g ±10g

Always measure the top diameter of your jar before placing an order. Make sure that the diameter does not get narrower further down.

Silicone fermentation airlock for safe, reliable home fermenting. Allows gases to escape while keeping oxygen out, helping protect your pickles, vegetables, and drinks during lacto-fermentation. Reusable, durable, and dishwasher safe. Available in blue, green, purple, red/pink, and white.

Diameter: 8.3 cm

Also available with stainless steel ring (see separate listing).

Silicone fermentation airlock with stainless steel band, designed for safe, reliable lacto-fermentation. Allows gases to escape during fermentation while preventing air from entering, helping protect your ferments from spoilage.

Ideal for pickles, vegetables, and fermented drinks.

As pressure builds, gas safely vents through the airlock without allowing oxygen back in.

Diameter airlock: 8.3 cm

Also available without ring (see separate listing).

After years of fermenting at KoruKai Herb Farm, we’ve used (and tested) plenty of pounders—so we know exactly what works best.

This fermentation pounder is designed to our own specifications for efficiently pounding vegetables and tightly packing them into jars or crocks, helping release juices for successful lacto-fermentation.

Made from untreated beech wood, it is strong, natural, and comfortable to use, with a well-balanced shape for everyday kitchen fermenting.

Measurements: Length 30cm | Top diameter 4cm | Bottom diameter 6.1cm | Tapered grip approx. 3.5cm

Please note: As each pounder is handmade, slight variations in size may occur, making every piece unique.

Learn how to make delicious, probiotic-rich sauerkraut, kimchi, pickles, and fermented vegetables at home with our comprehensive Lacto-Fermentation Guide.

Drawing on more than 10 years of hands-on fermentation experience at KoruKai Herb Farm, this practical guide teaches traditional lacto-fermentation methods to help preserve seasonal harvests while supporting gut health naturally.

Perfect for turning an abundance of cabbages, carrots, beetroot, and other vegetables into vibrant, living foods packed with beneficial microbes.

Available as:

• Downloadable PDF
• Printed booklet (with shipping cost)

Please choose your preferred format below.

Fully booked! To go onto the waiting list please sign up below. 

This is an informative workshop for anyone interested in healthy food. No cooking skills are required. You will walk away with some easy recipes that you can implement in your own kitchen using basic equipment.

Date: Saturday, 2nd May 2026
Time: 10am-2:30pm

Location: KoruKai Herb Farm, Pigeon Bay, Banks Peninsula
1 hour from Halswell, Carpooling from Chch is usually possible.

Wholesome lunch included!

Please find Terms & Conditions as well as our cancellation policy here. When signing up for this workshop you automatically agree to the Terms & Conditions. Please make sure to read them.

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.

We’ve created this DIY kit for anyone wanting to make their own raw apple cider vinegar at home.

Making apple cider vinegar is simple, rewarding, and a great way to enjoy its many natural health benefits. Unlike many supermarket varieties that are pasteurised and filtered, homemade vinegar retains the “mother” — the living culture and beneficial microbiome that give raw apple cider vinegar its full character and potential benefits.

Everything you need to start making refreshing, probiotic water kefir at home. This complete kit includes dried water kefir grains, a glass fermentation jar, airlock system, strainer, kefir food, and a detailed guide with instructions and recipes.

Water kefir is the vegan cousin of milk kefir and the caffeine-free alternative to kombucha. These live cultures can be used again and again to create refreshing, naturally fizzy probiotic drinks at home.

Easy to make and endlessly versatile, water kefir is a great way to support gut health while creating delicious homemade sodas, fruit ferments, and flavoured drinks.