Keep us brewing and blogging! We earn a small commission from purchases made through links on this site without increasing your cost. Thank you for your support.

Brew your own kombucha

We think that brewing kombucha at home is an easy, fun activity that results in a delicious, healthy beverage. Brewing your own kombucha is also much less expensive than buying it in a store. Plus, you have the advantage of tailoring the finished beverage to your own taste buds and creating interesting flavors.

Kombucha brewing jar requirements

The kombucha brewing container needs to be:

• large enough to produce a reasonable size batch of kombucha
• made of a material that is safe for brewing
• of a size that fits into your kombucha brewing space
• easy to keep clean
• able to be moved easily

Kombucha brewing jar size recommendations

Sometimes a bigger kombucha brewing vessel is better

Ultimately, we found that a two and one half gallon brewing vessel was just about right for us. But each brewer has their own needs, so of course, it is up to you.

Why wider kombucha brewing jars work better

Wider brewing jars brew faster. Here’s why. The wider the jar, the larger the SCOBY grows, since the new SCOBY always grows to cover the top of the fermenting brew. Also, wider jars allows the SCOBY to get more of the oxygen it craves.

Best kombucha brewing jar materials

Glass kombucha brewing jars

So far, we have been only been recommending jars made of glass. We like glass jars because they are inexpensive and easy to keep clean. Since the mouth should be wide enough to get your hand into, it is easy to scrub away residue. It is also handy to be able to see into the jar and check on how your SCOBY is doing.

Porcelain or ceramic kombucha brewing containers

Porcelain is a kind of ceramic—the names are used interchangeably. They can work fine for brewing kombucha and many brewers like them.

One very important fact to know is that some ceramics are made with lead, which is poisonous to both the SCOBY and you. Lead is a heavy metal that is very dangerous to ingest and causes serious medical problems for those that get it into their bodies by mistake.

Ceramic jars are easy to keep clean if they have wide mouths. Most are sturdy and thicker than glass, which makes them heavier to move around. Ceramic can also scratch or chip, so just like glass kombucha brewers, it is important to keep a good grip when moving it around.

Stainless steel kombucha brewing fermenters

Much high end brewing equipment is constructed of stainless steel. These containers can be used to brew kombucha at home. Stainless steel containers come in many sizes, including very large ones, so if you want to brew large quantities of kombucha, they may be your only choice.

Steel is easy to clean, strong, and won’t break if you bump or drop it. It can also be easily fitted with a valve near the bottom which makes putting the brewed kombucha into bottles easy.

Plastic kombucha brewing containers

Yes, you can brew kombucha in a plastic bucket. For larger than two gallon batches of kombucha, a food grade plastic bucket is an inexpensive choice.

These are readily available at your local brewing supply store and online because many home beer brewers use them. You’ll want to be sure to only use plastic that is designed for food. Other types of plastic can leach chemicals into your batch of kombucha.

A note on kombucha brewing container spigots

If you are brewing in a smaller (one gallon or so) container, you can simply pour your finished brew (after removing the SCOBY) into a pitcher and then use a funnel to bottle it. But larger kombucha brewing vessels are unwieldy to pick up and pour from, so you need an easier way to get the finished brew into bottles.

The solution that we find works best for us is an autosiphon. You can learn about one here.

Transferring brewed kombucha from the brewing jar into bottles

If you don’t have a brewing jar with a spigot, it is still easy to transfer the kombucha into the bottles with an autosiphon. They work well, are easy to keep clean and inexpensive to buy. You can learn more about them here.

You also don’t want to use is cheesecloth, because the weave is too open to keep your brew safe. And you don’t want to use any type of lid that keeps the air out.

Kombucha brewing jars that are unsuitable for brewing

Plastic or rubber containers that are not food safe.

All plastic containers are manufactured from materials derived from oil, natural gas, or coal. They often contain many other kinds of chemicals that are not safe for human consumption. The SCOBY is a very active organism and can dissolve out chemicals from the plastic and create a brew full of chemical compounds that you do not want to drink.

Metals other than stainless steel

Most metals are not good for the SCOBY and not good for you to ingest. Only high quality stainless steel will prevent the SCOBY from leaching metal compounds into your kombucha. Stay away from containers made of copper, aluminum, or low grade steel.

Lead crystal glass

All crystal glass contains lead. As mentioned, this is a heavy metal that is very dangerous and causes serious medical problems when ingested.

Colored glass containers

Most colored glass also contain lead, a very dangerous metal to have in your kombucha. These jars are quite pretty, but don’t be tempted to use them to brew kombucha.

What type of kombucha brewing jar do you prefer? Please leave us a comment below.

Improve your home kombucha brewing.
Achieve consistent, accurate results.

Easily find and recreate your favorite fermentation two recipes