{"id":4780,"date":"2026-05-18T15:25:38","date_gmt":"2026-05-18T07:25:38","guid":{"rendered":"https:\/\/metobrew.com\/?p=4780"},"modified":"2026-05-18T15:27:57","modified_gmt":"2026-05-18T07:27:57","slug":"kombucha-brewing-process-a-step-by-step-guide-from-home-brewing-to-commercial-brewery-setup","status":"publish","type":"post","link":"https:\/\/metobrew.com\/ko\/kombucha-brewing-process-a-step-by-step-guide-from-home-brewing-to-commercial-brewery-setup\/","title":{"rendered":"Kombucha Brewing Process: A Step-by-Step Guide from Home Brewing to Commercial Brewery Setup"},"content":{"rendered":"<p><\/p>\n\n\n\n<p>A kombucha brewery is more than just a beverage production facility; it acts as a laboratory for microorganisms. At its core, it utilizes a Symbiotic Culture of Bacteria and Yeast (SCOBY) to transform sweet tea into a fermented drink rich in probiotics, carbonation, and organic acids.<\/p>\n\n\n\n<p>For home enthusiasts: It might simply be a kitchen corner equipped with glass jars and breathable cloths.<br>For commercial breweries: It is a complete industrial system encompassing raw material processing, primary fermentation, secondary fermentation, bottling, and cold chain storage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> Market Research: Finding Your Niche<\/h2>\n\n\n\n<p>Before investing in equipment, you must gain insight into market trends. According to industry observations, the kombucha market is evolving towards low-sugar, functional beverages (such as sleep-aid or beauty-boosting), and &#8220;Hard Kombucha&#8221; (alcoholic versions).<\/p>\n\n\n\n<p>It is recommended to study the flavor profiles of major brands like GT&#8217;s as well as local craft breweries. Additionally, familiarize yourself with local food safety and alcoholic beverage regulations in advance, as the fermentation process inevitably produces trace amounts of alcohol.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> Brewing Basics: Choosing Your Tea and Sugar<\/h2>\n\n\n\n<p>As emphasized in many beginner guides, the cornerstone of brewing lies in the sweet tea base. The quality of ingredients directly determines the health of your SCOBY and the final taste.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Choosing Your Tea<\/h3>\n\n\n\n<p>The SCOBY requires nitrogen and minerals found in the&nbsp;<em>Camellia sinensis<\/em>&nbsp;plant.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Black Tea:<\/strong>\u00a0The first choice. It is nutrient-rich, promotes robust SCOBY growth, and offers a full-bodied flavor (e.g., Ceylon or Assam).<\/li>\n\n\n\n<li><strong>Green Tea:<\/strong>\u00a0A great option for a refreshing taste and high antioxidant content (e.g., Sencha or Jasmine).<\/li>\n\n\n\n<li><strong>Oolong Tea:<\/strong>\u00a0Offers complex flavor layers, suitable for advanced blending.<\/li>\n<\/ul>\n\n\n\n<p><strong>Note:<\/strong>&nbsp;Avoid using herbal teas or teas with essential oils (like Earl Grey) during Primary Fermentation (F1), as the oils can damage the SCOBY. Save these for flavoring during the second fermentation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.4.webp\" alt=\"10\ud649 \ucf64\ubd80\ucc28 \uc7a5\ube44.4\" class=\"wp-image-4782\" srcset=\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.4.webp 800w, https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.4-768x513.webp 768w, https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.4-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. Choosing Your Sugar<\/h3>\n\n\n\n<p>Sugar is the &#8220;fuel&#8221; that feeds the SCOBY, not for sweetness.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Best Options:<\/strong>\u00a0White granulated sugar or organic cane sugar. These are easily broken down by yeast, ensuring stable fermentation.<\/li>\n\n\n\n<li><strong>Advanced Options:<\/strong>\u00a0Raw honey, maple syrup, or coconut sugar. Be aware that honey has antibacterial properties that might stress the SCOBY.<\/li>\n\n\n\n<li><strong>Avoid:<\/strong>\u00a0Artificial sweeteners (like erythritol or sucralose). The SCOBY cannot metabolize them, and fermentation will not occur.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"> Essential Kombucha Equipment List<\/h2>\n\n\n\n<p>Depending on your brewing scale, the equipment configuration varies. Here is the core checklist:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Home Brewing Starter Kit<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fermentation Vessel:<\/strong>\u00a0Wide-mouth glass jar (1 gallon \/ approx. 3.8 liters+). Avoid metal, as acidic liquid can corrode it.<\/li>\n\n\n\n<li><strong>Cover:<\/strong>\u00a0Coffee filter, cheesecloth, or paper towel secured with a rubber band (must be breathable, never sealed tight).<\/li>\n\n\n\n<li><strong>Bottling Bottles:<\/strong>\u00a0Pressure-resistant glass bottles (such as swing-top bottles) for carbonation during secondary fermentation.<\/li>\n\n\n\n<li><strong>Auxiliary Tools:<\/strong>\u00a0Non-metal stirring spoon and pH test strips (ensure acidity is between 2.5\u20133.5 for safety).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Commercial Brewery Core Equipment<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Large-scale Tea Brewing System:<\/strong>\u00a0Stainless steel boilers for efficient tea extraction.<\/li>\n\n\n\n<li><strong>\ubc1c\ud6a8 \ud0f1\ud06c:<\/strong>\u00a0Stainless steel conical bottom tanks (1000L+) with cooling jackets for precise temperature control.<\/li>\n\n\n\n<li><strong>Filtration &amp; Bottling Line:<\/strong>\u00a0Automated equipment for cleaning, filling, and capping.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"> Commercial Brewery Location and Layout<\/h2>\n\n\n\n<p>If your goal is commercialization, your facility must comply with Good Manufacturing Practices (GMP).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Raw Material Area:<\/strong>\u00a0For washing and boiling water, tea, and sugar.<\/li>\n\n\n\n<li><strong>Primary Fermentation Area:<\/strong>\u00a0The core zone. Must be maintained at 20\u00b0C &#8211; 27\u00b0C (68\u00b0F &#8211; 80\u00b0F), protected from direct light, and well-ventilated.<\/li>\n\n\n\n<li><strong>Secondary Fermentation &amp; Bottling:<\/strong>\u00a0For adding fruits\/spices and aseptic bottling.<\/li>\n\n\n\n<li><strong>Cold Chain Storage:<\/strong>\u00a0Refrigeration is essential to halt fermentation and maintain consistent flavor.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"> Step-by-Step Kombucha Brewing Process <\/h2>\n\n\n\n<p>According to standard brewing guides, the process is divided into two critical stages.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stage 1: Primary Fermentation  \u2013 Making the Base<\/h3>\n\n\n\n<p><strong>Step 1: Brew Your Sweet Tea<\/strong><br>Boil about 1 liter of filtered water. Remove from heat and add tea bags, steeping for 5\u201310 minutes. Longer steeping increases tannins, which benefits SCOBY health but may make the tea more astringent. Remove tea bags and stir in sugar while hot until fully dissolved.<\/p>\n\n\n\n<p><strong>Step 2: Cool the Tea (Crucial Step!)<\/strong><br>Add remaining cold filtered water to lower the temperature. Never add the SCOBY to hot liquid. Temperatures above 35\u00b0C (95\u00b0F) will damage or kill the culture. Your target is room temperature, ideally 20\u201325\u00b0C (68\u201377\u00b0F). Patience is key here.<\/p>\n\n\n\n<p><strong>Step 3: Add SCOBY and Starter Liquid<\/strong><br>Pour the cooled sweet tea into a clean glass jar. Add the starter liquid first to acidify the environment and prevent contamination. Then, gently place the SCOBY on top. It may sink, float sideways, or do something unexpected\u2014this is normal.<\/p>\n\n\n\n<p><strong>Step 4: Check pH Levels<\/strong><br>If you have pH strips, test the liquid. The starting pH should be 4.5 or lower. This acidity prevents harmful bacteria from competing with your SCOBY. If the pH is too high, add more starter liquid or a splash of distilled white vinegar.<\/p>\n\n\n\n<p><strong>Step 5: Cover and Ferment<\/strong><br>Cover the jar tightly with a breathable cloth and secure it with a rubber band. Place it in a location that is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Warm:<\/strong>\u00a0Ideally 20\u201327\u00b0C. Below 18\u00b0C slows fermentation; above 30\u00b0C may cause off-flavors.<\/li>\n\n\n\n<li><strong>Dark:<\/strong>\u00a0Away from direct sunlight (UV damages the culture).<\/li>\n\n\n\n<li><strong>Clean:<\/strong>\u00a0Away from strong odors (kombucha absorbs smells) and undisturbed.<\/li>\n<\/ul>\n\n\n\n<p><strong>Note:<\/strong>&nbsp;Temperature is the biggest variable. In a hot summer, fermentation may finish in 5 days; in winter, it can take up to 14 days.<\/p>\n\n\n\n<p><strong>Step 6: Taste and Test<\/strong><br>Start tasting after 7 days using a clean straw. You are looking for a balance of sweet and sour\u2014not too sweet (under-fermented) and not too vinegary (over-fermented). Most batches finish between 7 to 21 days. Trust your palate over the clock.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.webp\" alt=\"10hl kombucha equipment\" class=\"wp-image-4783\" srcset=\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment.webp 800w, https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment-768x512.webp 768w, https:\/\/metobrew.com\/wp-content\/uploads\/2026\/05\/10hl-kombucha-equipment-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">What to Expect During Fermentation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>New SCOBY forming:<\/strong>\u00a0A thin, light, semi-transparent layer on top. A sign of health.<\/li>\n\n\n\n<li><strong>Brown stringy bits:<\/strong>\u00a0Yeast strands floating in the liquid. Completely normal.<\/li>\n\n\n\n<li><strong>Original SCOBY darkening:<\/strong>\u00a0Normal aging.<\/li>\n\n\n\n<li><strong>Slight fizz:<\/strong>\u00a0Carbon dioxide release. A good sign.<\/li>\n\n\n\n<li><strong>Vinegary smell:<\/strong>\u00a0Healthy kombucha aroma.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">When to Worry: Signs of Contamination<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fuzzy Mold:<\/strong>\u00a0Any color (black, green, white, and fuzzy) on the surface. Discard everything.<\/li>\n\n\n\n<li><strong>Unusual Odors:<\/strong>\u00a0Rotten, sulfurous, or strong chemical smells (like nail polish remover).<\/li>\n\n\n\n<li><strong>Pink\/Abnormal Colors:<\/strong>\u00a0Unless explained by added fruit, this indicates contamination.<\/li>\n<\/ul>\n\n\n\n<p><strong>Note:<\/strong>&nbsp;A flat, smooth, white film is often Kahm Yeast. Unpleasant but harmless.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stage 2: Secondary Fermentation  \u2013 Carbonation &amp; Flavor<\/h3>\n\n\n\n<p><strong>Step 1: Remove the SCOBY<\/strong><br>With clean hands, remove the SCOBY layers (original and new). Place them in a clean bowl with 1\u20132 cups of kombucha to serve as starter liquid for your next batch.<\/p>\n\n\n\n<p><strong>Step 2: Bottle the Kombucha<\/strong><br>Pour the kombucha into clean glass bottles, leaving about 2\u20133 cm of headspace. This space is critical for carbonation buildup without exploding the bottle.<\/p>\n\n\n\n<p><strong>Step 3: Add Flavorings<\/strong><br>Add your desired flavorings directly to each bottle\u2014fruits, juices, herbs, or spices. Seal the bottles tightly.<\/p>\n\n\n\n<p><strong>Step 4: Secondary Fermentation at Room Temperature<\/strong><br>Leave sealed bottles at room temperature for 1 to 4 days. Residual yeast will consume the added sugars and create carbonation.<\/p>\n\n\n\n<p><strong>Important:<\/strong>&nbsp;&#8220;Burp&#8221; your bottles daily by briefly opening and resealing them. This releases excess pressure and helps you gauge carbonation levels to prevent explosions.<\/p>\n\n\n\n<p><strong>Step 5: Refrigerate and Enjoy<\/strong><br>Once carbonation reaches your liking, move the bottles to the fridge. Cold temperatures halt fermentation and stabilize the flavor. Kombucha can be stored in the fridge for 1 to 3 months, with flavors developing and intensifying over time.<\/p>\n\n\n\n<p>By following these detailed steps, you can brew safe, delicious kombucha and build a solid foundation for scaling from a home hobby to a commercial business. Happy brewing!<\/p>\n\n\n\n<p>You can <a href=\"https:\/\/metobrew.com\/ko\/contact\/\" data-type=\"page\" data-id=\"237\">tell us <\/a>your requirements for the brewery, and we will provide you with a turnkey solution within 24 hours.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Discover the complete kombucha brewing process\u2014from tea and sugar selection to F1 and F2 fermentation. Expert tips for scaling up to a commercial kombucha brewery.<\/p>","protected":false},"author":5,"featured_media":4781,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Kombucha Brewing Process: A Step-by-Step Guide from Home Brewing to Commercial Brewery Setup","_seopress_titles_desc":"Discover the complete kombucha brewing process\u2014from tea and sugar selection to F1 and F2 fermentation. Expert tips for scaling up to a commercial kombucha brewery.","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[27],"tags":[46],"class_list":["post-4780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-brewery-equipment"],"acf":[],"_links":{"self":[{"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/posts\/4780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/comments?post=4780"}],"version-history":[{"count":1,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/posts\/4780\/revisions"}],"predecessor-version":[{"id":4784,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/posts\/4780\/revisions\/4784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/media\/4781"}],"wp:attachment":[{"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/media?parent=4780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/categories?post=4780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metobrew.com\/ko\/wp-json\/wp\/v2\/tags?post=4780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}