High Pressure Amber Glass Second Fermentation Bottle (2L or 946mL)

High Pressure Amber Glass Second Fermentation Bottle (2L or 946mL)

1 bottle and lid included

The perfect high quality pressure graded bottles for safely second fermenting fizzy Water Kefir or Kombucha. 


What is Second Fermentation?

Second fermentation is an additional fermentation step to add excitement to your brew. Sugars are converted to acid and carbon dioxide gas which generates a huge amount of pressure, that's enough to cause cheap, low quality bottles to explode. Conversely, cheaper lids are incapable of hold gas in resulting in flat brews.  This is why we have launched these high quality bottles and lids. 

You can experiment with a range of different juices, whole fruit pieces, honey, herbs, spices and superfoods to create an endless range of different flavour and nutritional combinations. The fermentation helps to unlock nutritional compounds in your foods, making them more bioavailable but most appealing is it creates the most delicious probiotic fizzy drinks, low in sugar and much more economical and probiotic rich than store bought products.


How to Second Ferment Kombucha or Water Kefir

1) Once you've fermented your kombucha or water kefir, mix in a jug, 1 part fruit juice with 9 parts Kombucha/ Water Kefir + any spices and superfood like turmeric, acai, spirulina, maca, matcha etc + any herbs like mint, basil etc 

There are lots of recipes ideas in our free NourishmeOrganics VIP Group here

2) Pour Mixture into Second Ferment Bottle, leaving 3 to 5 cm headspace and cap tightly.

3) Leave at room temperature for 2 to 7 days depending on the weather at the time i.e a warmer temperature will result in a faster second ferment ( the longer you leave the less sugar will be left but your brew will be more sour and potentially higher in alcohol). We recommend tasting your brew daily to establish the taste that you like, and at this point you can end the ferment. Tasting is a good way to remind you to open and release any excess pressure in the bottle.

4) Transfer brew to a refrigerator to chill.

5) Open and Serve*

*Caution: Water kefir and Kombucha Second Ferments may become very fizzy so be careful when opening lid after fermentation  

**Advisory Statement

All fermented foods may contain trace amounts of alcohol.  If fermented foods are being prepared for children, breastfeeding mothers, or pregnant women please seek medical advice from a trained medical practitioner before consuming these products.  

To keep alcohol as low as possible, make sure that:
- first ferment was conducted with lid slightly open 
- the first ferment is sour to taste
- use no more than 25ml fruit juice per 250 ml
- second ferment for 48 hours max, chill and consume within 24 hours ( you will not get as much fizz but alcohol will be as low as possible)


$14.99 AUD

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Customer Reviews

Based on 7 reviews
Amber glass second ferment bottles

So glad to have 2 of the 946ml amber bottles for second fermenting my kombucha. Having purchased the clear 310ml bottles earlier I knew that the quality would be first class and give me a real assurance from a safety perspective when using these larger bottles for second fermenting. They are getting plenty of use with my continuos brew of kombucha producing enough for a regular second ferment. Thanks guys for providing all of the great quality products for a healthier lifestyle.

Great product

Ordered a bottle and Scoby two weeks ago, just made another order as well love their products

Wonderful little bottles!

Love this little Jun second ferment bottle, with a wider mouth it’s easy to clean, a very cute little size, perfect size for me to add to my collection. The screw top lid saves the loud popping sound of the flip top bottle scares!

Love these products!

Well, I delved into the world of fermenting with Nourishmeorganics products (for both kefir and kombucha, and hope very soon to get the pickle pipe kit) and love it. These bottles were actually a third purchase of the same product as my second fermentation needs grew. I have purchased both sizes and love them completely, never having a mishap, even in the extemely earm humid weather of Queensland. They are a great strong product and would recomend to anyone.

Second ferment bottle

Excellent product, strong and well designed!