Starter kits
Continuous brew is a different piece of hardware, not a different technique. The starter kit you already own almost certainly cannot do it.
By Scooter M.·Published September 1, 2026
The short answer
Continuous brew needs at least two gallons. Kombucha Kamp states plainly that a one-gallon jar is not a good choice for continuous brewing and recommends 2 to 5 gallons, because the vessel has to hold enough liquid to stay stable while you keep drawing from it.
In batch brewing you ferment a full vessel, empty it, clean it and start again. In continuous brewing you draw off perhaps a quarter of the vessel through a tap, top it back up with fresh sweet tea, and never fully empty it. The culture stays put, the liquid stays acidic, and you get kombucha on demand rather than in fortnightly waves.
The consequence is that the residual liquid is doing the job the starter tea does in a batch brew. That only works if there is enough of it. Draw half a gallon out of a one-gallon vessel and top it up, and the acidity drops sharply — the batch is thin, slow and vulnerable. Draw the same half gallon from a 2.5-gallon vessel and the remaining two gallons barely notice.
| Vessel | Capacity | Vessel height | Height with stand | Spigot |
|---|---|---|---|---|
| Kombucha Kamp glass | ~2.2 gal | 13 in | 18 in | Stainless |
| Kombucha Kamp porcelain | ~2.2 gal | 10 in | 17 in | PP5, stainless optional |
| Kombucha Kamp stoneware | ~2.5 gal | 12-14 in | Not stated | Stainless |
| Craft a Brew 1 gal jar | 1 gal | 10 in | n/a | 304 stainless |
The Craft a Brew jar is on that table as the counter-example. It is a good vessel with a published 304 stainless valve, and at one gallon it is the wrong size for this job. Use it for batch brewing, where its tap is a genuine convenience.
Height with the stand, not the vessel height. A continuous brewer sits on a stand so the tap clears a bottle, and that adds five inches or so. The Kombucha Kamp glass brewer is 13 in as a vessel and 18 in on its stand. Standard kitchen wall cabinets sit about 18 in above the counter, which means that vessel will not fit under one — and you still need clearance above it to lift the cover off.
Measure the gap before ordering. This is the single commonest returns reason in this category and it is entirely avoidable, because all three makers publish the number.
All three sit inside the recommended 2-to-5-gallon band and all three publish their dimensions, which is what lets you check a shelf before you buy.
Kombucha Kamp
About 2.2 gallons of glass on an acacia stand with a stainless spigot, and the only vessel here where you can see the pellicle, the yeast strands and the fill line at a glance.
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Kombucha Kamp
Roughly 2.5 gallons of US-made handmade stoneware with a stainless spigot, and the only vessel here whose dimensions are given as a range because each one is thrown by hand.
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Kombucha Kamp
Certified lead-free porcelain at about 2.2 gallons, opaque so the culture sits in the dark, with a PP5 spigot as standard and a stainless upgrade offered.
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Ranked on the published rubric. Every row jumps to that product's full write-up below; the button goes straight to Amazon.
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 | Score8.5 Kombucha Kamp Glass Continuous Brewer with Stand About 2.2 gallons of glass on an acacia stand with a stainless spigot, and the only vessel here where you can see the pellicle, the yeast strands and the fill line at a glance. | Watching the culture work | 8.5out of 10 | |
| 2 | Score8.3 Kombucha Kamp USA Handmade Stoneware Continuous Brewer Crock Roughly 2.5 gallons of US-made handmade stoneware with a stainless spigot, and the only vessel here whose dimensions are given as a range because each one is thrown by hand. | The largest published capacity | 8.3out of 10 | |
| 3 | Score8.0 Kombucha Kamp Modern Porcelain Continuous Brewer with Stand Certified lead-free porcelain at about 2.2 gallons, opaque so the culture sits in the dark, with a PP5 spigot as standard and a stainless upgrade offered. | Keeping light off a long ferment | 8.0out of 10 | |
| 4 | Score8.0 Craft a Brew Kombucha Jar with Valve (1 Gallon) The one gallon jar in this group whose valve grade is published — 304 stainless — which is the single specification that decides whether a spigot belongs anywhere near kombucha. | A spigot you can check | 8.0out of 10 |
#1 · Watching the culture work
About 2.2 gallons of glass on an acacia stand with a stainless spigot, and the only vessel here where you can see the pellicle, the yeast strands and the fill line at a glance.
Who it is for. A continuous brewer who wants to see what is happening, and who has an open shelf or an island to put it on.
Source: Kombucha Kamp published vessel specifications (capacity, vessel and stand heights, spigot material), kombuchakamp.com/glass-continuous-brewer.html, retrieved 2026-09-01
Skip it if. Your only free counter is under a cabinet. At 18 in with the stand you will not get the cover off, let alone the pellicle out.
#ad No live price feed yet, so no number is shown rather than a stale one. How this is funded.
#2 · The largest published capacity
Roughly 2.5 gallons of US-made handmade stoneware with a stainless spigot, and the only vessel here whose dimensions are given as a range because each one is thrown by hand.
Who it is for. A committed continuous brewer with counter space, who wants the biggest published capacity and a stainless tap in the box.
Source: Kombucha Kamp published crock specifications (capacity, height and shoulder-width ranges, stainless spigot), kombuchakamp.com/usa-handmade-stoneware-continuous-brewer-crock.html, retrieved 2026-09-01
Skip it if. You measure your shelf to the inch. A vessel whose height can be 12 in or 14 in is not the one to buy for a tight gap.
#ad No live price feed yet, so no number is shown rather than a stale one. How this is funded.
#3 · Keeping light off a long ferment
Certified lead-free porcelain at about 2.2 gallons, opaque so the culture sits in the dark, with a PP5 spigot as standard and a stainless upgrade offered.
Who it is for. An established continuous brewer who has stopped needing to look, and wants the culture in the dark.
Source: Kombucha Kamp published vessel specifications (capacity, dimensions, porcelain and PP5 spigot materials, finishes), kombuchakamp.com/modern-porcelain-continuous-brewer-deluxe-package.html, retrieved 2026-09-01
Skip it if. You are new to kombucha. A beginner benefits enormously from seeing the pellicle form and from spotting mold early, and an opaque vessel takes that away.
#ad No live price feed yet, so no number is shown rather than a stale one. How this is funded.
#4 · A spigot you can check
The one gallon jar in this group whose valve grade is published — 304 stainless — which is the single specification that decides whether a spigot belongs anywhere near kombucha.
Who it is for. A batch brewer who wants a tap for tasting and bottling, and who wants the spigot’s material in writing.
Source: Craft a Brew published dimensions, valve grade and care instructions, craftabrew.com/products/kombucha-jar-with-valve, fetched 2026-09-01
Skip it if. You want to run continuous brew. One gallon does not hold enough liquid to keep a stable culture while you draw off a bottle at a time; go to 2 gallons or more.
#ad No live price feed yet, so no number is shown rather than a stale one. How this is funded.
Every specification cited on this page came from one of these documents, retrieved on the date shown against the product it belongs to.
Kits compared on their published contents. Which include pH strips, which include nothing, and when a kit is the wrong purchase.
Three continuous brew vessels compared on published capacity, height with stand and spigot material — plus the tapless option.
Which brewing jars publish their valve grade, why 304 stainless is the number that matters, and when a spigot is the wrong idea.
Batch size to jar size to bottles filled, with the headroom and surface-area rules that decide whether a vessel works.
Visibility against light protection, weight against thermal stability, and the lead question — with published specs for both materials.