Fermentation Tools
Home
ABV Calculator
Fermentation
Tools
Calculators, guides & resources for brewers, bakers, and fermentation enthusiasts
Free Calculators
🍺
ABV Calculator
Calculate alcohol by volume from gravity readings (SG or Brix).
🍾
Priming Sugar Calculator
Determine the right amount of priming sugar for bottle carbonation.
🍞
Sourdough Hydration Calculator
Calculate water, flour, and levain for your target hydration.
Guides & Articles
Advanced Water Chemistry for All-Grain Brewers: Residual Alkalinity, Water Profiles, and Mineral Adjustments
Master residual alkalinity, the Kolbach model, mineral additions, acid adjustments, and water profile building for all-grain brewing. Software tools compar
11 min read
Decoction Mash Technique: Single, Double, and Triple Decoction for Traditional Lagers and Ales
Master single, double, and triple decoction mashing. Learn when decoction improves your beer, how it creates melanoidins, and step-by-step temperature boos
9 min read
Lager Fermentation Schedule: The Complete Pitch-to-Glass Timeline
Follow this complete lager fermentation schedule from pitching to packaging, including diacetyl rest timing, lagering temperature ramps, and clarification
7 min read
Mash Temperature Guide: Understanding Enzyme Activity for All-Grain Brewers
Master mash temperatures for all-grain brewing. Understand alpha and beta amylase, step mashing, rest schedules, and how temperature controls beer body and
9 min read
Sparge Water Calculation Guide: Batch Sparge, Fly Sparge, and No-Sparge Methods
Learn how to calculate sparge water volumes for batch, fly, and no-sparge brewing. Formulas for grain absorption, boil-off, dead space, and pre-boil gravit
9 min read
Your First All-Grain Brew Day — Complete Walkthrough from Milling to Fermenter
Step-by-step guide to your first all-grain brew day. Equipment checklist, milling, mashing, sparging, timing, temperatures, and common mistakes to avoid.
9 min read
Extract Brewing Complete Guide: From Kit to Craft-Quality Beer
Master extract brewing with this complete guide to LME vs DME, steeping specialty grains, partial mash techniques, and late extract additions for better be
8 min read
Gravity Temperature Correction: Why It Matters and How to Get Accurate Readings Every Time
Learn why temperature affects hydrometer readings, how to apply correction formulas and tables, and avoid common errors in gravity measurement.
9 min read
Hydrometer Buying Guide: Types, Features, Calibration, and Recommended Models for Every Brewer
Compare triple scale, precision, and thermohydrometer models. Learn what to look for, how to calibrate, and which hydrometer fits your brewing needs.
10 min read
Priming Sugar Calculator: The Complete Guide to Carbonation by Style, Sugar Type, and Method
Calculate exact priming sugar amounts by style. Compare 8 sugar types, learn residual CO2 tables, and master bottle conditioning or force carbonation.
10 min read
Refractometer Post-Fermentation Correction: Why Raw Brix Readings Are Wrong and How to Fix Them
Learn why refractometer Brix readings are wrong after fermentation and how to apply Terrill and cubic correction formulas for accurate final gravity.
9 min read
The Complete Guide to ABV Calculators: Formulas, Methods, and Practical Examples
Learn how ABV calculators work, compare Standard vs Miller formulas, apply Brix corrections, and calculate alcohol for beer, wine, mead, and cider.
8 min read
Kimchi Fermentation Guide: From Salting to Storage, the Complete Traditional Method
Make authentic kimchi at home with this complete guide to salting napa cabbage, preparing the paste with gochugaru, fermentation timelines, and storage tip
8 min read
Dry Hopping Techniques: The Complete Guide to Timing, Amounts, and Best Practices
Master dry hopping with this complete guide to timing, contact time, quantities, biotransformation, oxygen management, and preventing hop creep in your bee
7 min read
Hop Variety Guide: 40+ Varieties with Alpha Acids, Flavors, Substitutions, and Best Uses
Explore 40+ hop varieties with alpha acids, flavor profiles, substitutions, and usage tips organized by region in this complete hop variety reference guide
7 min read
Kombucha First Brew Guide: From SCOBY to Bottle in Simple Steps
Brew your first batch of kombucha at home with this complete guide covering SCOBY care, sweet tea ratios, fermentation stages, flavoring, and bottling.
8 min read
Yeast Starter Guide for Liquid Yeast: Why Starters Matter and How to Make Them
Make a proper yeast starter for liquid yeast with this guide covering DME ratios, stir plates, step-up starters, viability calculations, and decanting.
8 min read
Base Malt Comparison Guide: 2-Row vs Pilsner vs Maris Otter vs Munich and More
Compare base malts including 2-row, 6-row, Pilsner, Maris Otter, Golden Promise, Vienna, and Munich with extract potential, color, flavor, and best styles.
9 min read
Mead Yeast Selection Guide: 12+ Strains Compared for Alcohol Tolerance, Flavor, and Fermentation Speed
Compare 12+ mead yeast strains including 71B, D47, EC-1118, and QA23 with alcohol tolerance, flavor impact, speed, and nutrient needs for better mead.
7 min read
TOSNA 3.0 Nutrient Schedule for Mead: Fermaid-O Protocol, Timing & Dosing Guide
Master the TOSNA 3.0 nutrient schedule for mead making. Learn Fermaid-O dosing, staggered addition timing, batch size calculations, and how to spot nutrien
10 min read
Traditional Mead Making Guide: From Honey Selection to Glass
Complete traditional mead making guide covering honey selection, must preparation, TOSNA 3.0 nutrients, yeast choice, degassing, bulk aging, and backsweete
10 min read
Sourdough Starter: The Complete Guide to Creating, Feeding, and Maintaining Your Culture
Learn how to create a sourdough starter from scratch, maintain feeding schedules, adjust hydration levels, and revive neglected starters with this complete
8 min read
American IPA Recipe Guide: Grain Bill, Hop Schedule, Water Profile & Yeast Selection
Complete American IPA recipe guide covering grain bills, hop schedules, water chemistry, yeast selection, and 3 proven recipes at session, standard, and do
9 min read
Belgian Tripel Recipe Guide: Pilsner Malt, Candi Sugar, Belgian Yeast & Bottle Conditioning
Brew an authentic Belgian Tripel with pilsner malt, candi sugar, Belgian yeast, step-up fermentation, and bottle conditioning techniques for 8-9.5% ABV wit
9 min read
German Pilsner Brewing Guide: Pilsner Malt, Noble Hops, Soft Water & Lagering Schedule
Master German Pilsner brewing with this complete guide covering Pilsner malt, noble hops, soft water, lager yeast, decoction mashing, and a 6-week lagering
9 min read