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The YBK Library

Every guide, video and tool on one page — the whole table of contents, 93 topics strong. Search it, filter it, or just wander. Choose your own adventure.

Guide + Video

Start Here: the roadmap

The three key steps, a two-week timeline, and the mistakes to skip.

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Guide + Video

What Is Kombucha?

Fermented sweet tea with centuries of history — plus Ange's honest take on the health claims.

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Guide + Video

Guide to First Fermentation

The master recipe — sweet tea to kombucha, with every why explained.

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Guide + Video

What to Expect During F1

Day-by-day: specks, films, strings, and why it's all fine.

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Guide + Video

When Is It Ready to Bottle?

The taste test, the signals, and why pH strips can't decide for you.

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Guide + Video

Guide to Second Fermentation

Flavoring, bottling and building fizz — the fun part.

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Guide + Video

Top 10 Mistakes Home Brewers Make

Skip a year of trial and error — the ten errors behind almost every struggling brew.

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Video

Ultimate Guide to Homemade Kombucha

F1 + F2 in one 38-minute masterclass — Ange's current process.

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Video

Quick Start Guide (original)

The classic first-fermentation walkthrough that started it all.

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Guide + Video

The YBK Home Brewing Philosophy

Why this site exists and how to think about conflicting advice — with the philosophy video.

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Guide + Video

Ingredients 101: Tea, Sugar, Water

What feeds a culture well — and what quietly sabotages it. Three videos inside.

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Guide

The Build-Your-Own Starter Kit

Skip the $40 kit: every jar, tea, bottle and gadget Ange actually uses, with honest notes.

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Guide + Video

Choosing the Right Brewing Vessel

Glass, size, wide mouths, covers — and what to avoid.

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Guide + Video

Choosing the Right Bottles + Caps

The purchase that decides whether your kombucha fizzes — flip-tops to F217 caps.

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Guide + Video

Removing Labels from Bottles

Recycle store bottles into brewing bottles — no Goo Gone required.

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Guide + Video

Cleaning Your Materials

Between-batch hygiene without culture-killing residue (or vinegar cures).

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Guide + Video

Temperature Control

The 65–85°F window, winter fixes, summer fixes, and the strips Ange swears by.

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Guide + Video

Choosing a Brewing Location

Airflow yes, direct sun no, cupboards rarely — and what to keep your jars away from.

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Video

Quality Tea for Kombucha

How far better leaves take your brew.

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Guide + Video

Honey in Kombucha?

Why it belongs in jun instead — and what sugars actually feed a culture.

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Video

Plastic, Steel or Wood?

Sifting through the metal-contact controversy.

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Video

Upgrades for High-Volume Brewing

When one gallon stops being enough.

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Video

Heat Mats for Faster Fermentation

The cold-kitchen fix.

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Video

Where Ange Gets Specialty Bottles

Sourcing the good ones in bulk.

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Guide + Video

How to Avoid Bottle Explosions

Pressure-rated bottles and calm nerves — the written checklist and the video.

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Guide + Video

What Is a SCOBY?

Symbiotic Culture Of Bacteria & Yeast — why the liquid matters most, and what to do with extras.

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Guide + Video

SCOBY Care & SCOBY Hotels

Keep your culture healthy, build a backup supply, brew super-charged starter tea.

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Guide + Video

How to Get a Quality SCOBY

What reputable sellers do differently — and the red flags to run from.

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Guide + Video

Grow Your Own SCOBY

From a bottle of raw kombucha to a working culture in 4–8 weeks.

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Guide + Video

How to Share or Transport a SCOBY

Baggie vs. jar, temperature rules, and what to do when one's shared with you.

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Guide + Video

Should You Refrigerate SCOBYs?

No — and here's the mold-shaped reason (plus tips if you insist).

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Guide + Video

Dehydrated SCOBYs: a Good Idea?

Spoiler: no. Here's why fresh wins every time.

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Video

Do SCOBYs/Pellicles Expire?

Age, color and when to retire one.

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Guide + Video

SCOBY Hotel Food Recipe

Keeping the residents fed — the recipe, written and on video.

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Video

Feed a Hotel with Spent Tea

A thrifty pro tip.

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Video

Just Received a SCOBY?

What to do before you're ready to brew.

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Video

Does SCOBY Size Matter?

Starter strength beats pellicle diameter.

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Guide + Video

Why Didn't My Brew Grow a SCOBY?

Cold rooms, jostled jars, and why it's usually fine.

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Guide + Video

Flavorings Touched My SCOBY

Why it matters, and damage control for a common slip.

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Guide + Video

Is a SCOBY Even Necessary?

The pellicle-optional experiment — strong starter tea does the heavy lifting.

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Guide + Video

How to Flavor Kombucha

Purees, juices, syrups, herbs, jams, even more tea — technique and amounts.

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Guide + Video

Flavor Ideas Library

30 combos from Ange's kitchen, filterable by mood — plus her grocery list.

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Guide + Video

Prepping Fruit Flavorings

The detailed fresh-fruit walkthrough.

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Guide + Video

Prepping Herbs, Spices & Flowers

Bruise, tuck, poke below the liquid line.

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Guide + Video

Making Fruit Syrups

Concentrated flavor that keeps.

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Guide + Video

Passionfruit: the House Favorite

The fruit that pairs with everything.

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Guide + Video

Should I Strain My Kombucha?

Baby SCOBYs in bottles: gulp, strain, or minimize — all fine.

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Guide + Video

Third Fermentation

Flavor first, strain, then bottle — for pulp-free pours.

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Video

Flavor Fails: the Worst Flavors

So you don't have to brew them.

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Guide + Video

Fix Too-Sweet or Too-Sour

Rebalancing a batch that drifted.

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Guide + Video

Can You Fix Bland Kombucha?

More fruit, better prep, a hit of lemon.

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Guide + Video

How to Mellow Out Kombucha

Softening a brew that's too intense.

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Video

Kombucha Cocktails

Your new favorite mixer.

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Video

Kombucha Mocktails

Zero proof, full ceremony.

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Video

Gifting Homemade Kombucha

Share the habit, keep the SCOBY.

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Guide + Video

The Carbonation Guide

Every fizz lever, in the order to pull them.

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Guide + Video

Is Burping Necessary?

The anti-burp case — written in full, tested on video.

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Guide + Video

Re-Carbonate Flat Kombucha

Flat isn't forever: wake the yeast back up.

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Guide + Video

Minimizing Fizzy Messes

Open cold, open slowly, and the plastic-bag trick.

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Guide + Video

Does Kombucha Expire?

Months in the fridge — and aging as a feature, not a bug.

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Guide + Video

Dry, Aged Kombucha

Sour-beer energy for patient brewers.

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Video

Kombucha on Tap (Kegerator Mod)

Force-carbonated booch at home.

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Guide

Troubleshooting Hub

Every panic question with its fastest fix.

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Guide + Video

Is This Mold?

The two-question test, a side-by-side table, and the recovery plan.

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Guide

Quick-Answer FAQ

The recurring questions, answered in a breath.

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Video

Mold-Resilient Batches

Extra prevention, extra peace of mind.

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Guide + Video

What's That Stringy Thing?

Meet your yeast. It's friendly.

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Guide + Video

Why Other Vinegars Don't Belong

Kombucha is its own vinegar culture — the full nuanced story.

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Video

Used Vinegar by Mistake?

How to recover your culture.

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Guide + Video

Smelly Vessels & Fizzy Messes

Cleanup and prevention tips.

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Guide + Video

Getting Rid of Fruit Flies

Tight-weave cloth is the whole battle — plus the trap.

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Guide + Video

Kombucha & pH

What pH can and can't tell you (hint: not doneness).

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Video

Can You Over-Ferment?

What 'too long' actually means.

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Video

Can Moving House Affect Your Brew?

New home, new microclimate.

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Guide + Video

Batch Brew vs. Continuous Brew

Two valid systems, honestly compared.

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Guide + Video

Brewing in Different Seasons

Summer speed vs. winter patience — and how to adapt.

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Guide + Video

How Much Kombucha Should I Drink?

Start small, listen to your body — plus notes for special cases.

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Guide + Video

Is Kombucha Good for You?

The hype-free take: it's fermented tea, and every body is different.

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Guide + Video

Is Kombucha Alcoholic?

Trace alcohol, honestly explained.

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Video

Homemade vs. Store-Bought

Real talk on what the shelf can't give you.

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Video

Different Teas, Same SCOBY

Rotating teas over one culture.

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Guide + Video

Taking a Break from Brewing

Pause without losing your culture.

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Video

Restarting After a Long Break

Waking the hotel back up.

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Video

Kombucha in a Beer Fermenter

Scaling up with homebrew gear.

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Video

A YBK Kombucha Company?

Commercial vs. home brewing, and why Ange stayed home.

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Guide + Video

DIY Kombucha Beauty Products

SCOBY face masks, scrubs and toner.

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Guide + Video

Homemade CBD Kombucha

An infused experiment — water-soluble CBD, dosed your way.

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Video

Homemade Tepache

The Mexican fermented pineapple drink.

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Video

Jun vs. Kombucha

The green-tea-and-honey cousin.

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Video

Homemade Jun

Brewing the 'champagne of kombucha.'

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Video

Coffee Kombucha (Koffucha)

An experiment for the brave.

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Guide

Ange's Tea Corner

Loose leaf, Gong Fu Cha, and the tea obsession behind YBK.

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Tool

Printable Brew Log

Track every batch like a friendly science experiment — one branded page per phase.

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How to use this library

Guide + Video topics give you both: a written walkthrough on this site with the video embedded right there — read it, watch it, or both. Guide pages are written walkthroughs; Video cards jump straight to the YBK YouTube channel for topics best shown on camera. Either way, you're getting the same process from the same brewer.