Mad Millie sells kombucha kits built around a crock-style fermentation vessel. This review covers what the set-up involves, what to check before you buy, and who a kit like this suits.
Short answer: a kit like this suits someone who wants a guided, all-in-one start and is happy to follow the brand’s recipes. If you already have a clean glass jar and a cloth cover, you can brew kombucha without a kit, starting from plain store-bought kombucha.
How this review was written: it is based on the brand’s published support information and general fermentation guidance, not hands-on testing. Kit contents, prices and instructions change, so check the current listing and the instructions that come with your kit before you brew.
What the Mad Millie kit is
The brand’s support material refers to a Mad Millie Kombucha Crock and includes recipe guidance for owners of that crock. Its social posts promote a simple, five-step method for brewing kombucha at home. Check the current listing for exactly what the kit includes, because contents change.
What to check on the listing
- The vessel material. Crocks are often ceramic or glass. Check that the material is food-grade and that any glaze is food-safe. A glaze that contains paint isn’t suitable. If the vessel has a spigot, check that it’s food-grade too, since plastic or unidentified metal spigots can leach into a brew.
- The culture. Is it a SCOBY with starter liquid? Is it live? Ask how it’s shipped, especially in hot weather.
- Tea and sugar. Are they included, or do you buy your own? Kombucha needs a true tea base. Herbal teas can’t be used.
- The cover. Is a cloth cover included, and will it fit the crock’s opening? What to cover your kombucha with explains suitable materials.
- Bottles. Most kombucha kits don’t include bottles for the second fermentation. Check the listing, and see the best bottles for kombucha.
- The instructions. Look for clear guidance on temperature, timing and tasting. Many general guides suggest 7 to 14 days for the first fermentation, with a first taste from about day 7.
Who it suits
- Someone who wants a guided start with a dedicated vessel.
- Someone who would rather not source the vessel, culture and cover one at a time.
A kit like this is less suited to someone who already owns a glass jar and wants to keep costs low. Check the crock’s capacity against the batch size you want, too.
A crock compared with a glass jar
A glass jar is clear, so you can see the SCOBY and the liquid without lifting the cover. Being able to monitor the brew without opening the cover is one of the main reasons brewers prefer clear glass. A ceramic crock is usually opaque, so checking it means lifting the cover. Ceramic can be a good vessel, but check the glaze and the food-safety details before you use one.
Using the included recipe
Follow the instructions that come with your kit, because recipes depend on the vessel and the culture. The general method looks like this:
- Brew sweet tea with about 1 cup of sugar per US gallon (roughly 200 g for 3.8 L), and cool it to room temperature.
- Add the SCOBY and starter liquid.
- Cover with cloth and secure it with a band.
- Ferment somewhere out of direct sun, and taste from about day 7.
- Stop when it tastes right to you.
Bottling after a crock batch
A crock batch produces unflavored, still kombucha. To get fizz, you need a second fermentation in sealed glass, usually swing-top bottles, with a little fruit juice or sugar for flavor. Best bottles for kombucha explains which bottles hold pressure and how to use them safely.
Cost and value
A kit can be good value if it includes the vessel and culture you’d otherwise buy separately. To judge the value, add up the vessel, culture, cover, tea, sugar and bottles, then compare that with what you’d spend on store-bought kombucha over the same period. Don’t forget ongoing costs such as tea, sugar and bottles. Check the current price on the listing, because prices change.
Alternatives
- A glass jar and a cloth cover. Start with plain store-bought raw kombucha. See what is a kombucha starter?
- A spigot vessel for continuous brewing. See continuous brew kombucha.
- A broader look at kits. See best kombucha starter kits.
Verdict
If you want a dedicated vessel and a guided start, a Mad Millie kit is worth considering once you’ve checked what’s included and the vessel’s food-safety details. If you already own a clean glass jar and are comfortable sourcing a culture and cover separately, you may not need a kit at all. Either way, the brewing method is the same.