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Fermentation Brewing Heat Belt 30W (AU Plug)

RRP: $21.95 (You save $2.00)

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Product Description

Fermentation & Brewing Heat Belt 30W - safety certified for use in Australia with AU Plug

This gentle 30 watt heat belt is perfect for brewing kombucha at home during the colder winter months. Whether you're fermenting one litre or more than 10 litres, this heat belt is all you need.

A heat belt is preferable to a heat mat because it gently heats your brew without creating hot spots. Use this in combination with a thermometer strip placed on the outside of your vessel and you'll always know if your brew is warm enough. If you feel it's getting too warm, simply move the belt higher up on the jar. If it's not heating up enough, place the belt around the bottom of your vessel but DO NOT wrap the belt around your jar more than once and DO NOT insulate it with a towel or similar. This is a very economical way to effectively brew your kombucha without spending a fortune on variable heaters. If you want even more control, simply add a timer to the equation. When used correctly, our heat belt will not overheat your brew.

You will probably find that placing the heat belt around the middle of a smaller brewing vessel is required whereas the massive brews will probably warrant the belt placed at the base, especially for winter. We highly recommend starting with the belt higher up and monitoring the heat until you are comfortable with the temperature. Everyone's placement will be different, depending on their individual environmental conditions.

Please note that heating belts are also preferable to heating pads because pads tend to heat up the yeast bed on the bottom of your vessel, which can produce some undesirable flavours in your kombucha as well as the proliferation of some yeasts and not others, creating an imbalance of bacteria and yeasts and potentially harming your brewing success.


We highly recommend using a thermometer to monitor the temperature of your brew. You may purchase your stick-on thermometer here.

We also recommend using pH test strips to be absolutely sure when your brew is ready. You may purchase your pH test strips here.

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Product Reviews

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  1. does the job 4 Star Review

    Posted by on 7th Jul 2017

    Still working out where to place the belt to achieve the right temperature, but works well.

  2. Great for winter 5 Star Review

    Posted by on 3rd Sep 2016

    The heat belt is great, I use it combined with the thermometer to keep my Kombucha warm enough during winter. The brew I did using the heat belt was much fizzier and tastier than my previous few without one.

    Things to note - It doesn't have any kind of temperature control so you have to turn it on and off yourself when needed, but that is easy enough to do. It is also quite long, I have a 7.5ltr glass jar for my kombucha so I just wrap it around the jar twice.

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