Water Chemistry for Beginners

Water makes up over 90% of your beer. No wonder water chemistry has a huge impact on taste.

The Key Minerals

Calcium (Ca)

• Effect: Promotes enzyme activity, lowers pH, improves yeast performance

• Target: 50-150 ppm

• Sources: Gypsum (CaSO4), Calcium Chloride (CaCl2)

Sulfate (SO4)

• Effect: Emphasizes hop bitterness, makes it "crisper"

• Target: 50-150 ppm (up to 350 for hoppy beers)

• Source: Gypsum (CaSO4)

Chloride (Cl)

• Effect: Rounds out malt sweetness, makes beer "softer"

• Target: 50-150 ppm

• Source: Calcium Chloride (CaCl2), Table Salt (NaCl)

The Sulfate/Chloride Ratio

This ratio determines your beer's character:

RatioCharacterSuitable for

3:1Hop-forwardIPA, Pale Ale
1:1BalancedAmber Ale, ESB
1:3Malt-forwardStout, Porter, Bock

Famous Water Profiles

• Burton-on-Trent: Very high sulfate, perfect for IPAs

• Pilsen: Very soft water, ideal for Pilsner

• Dublin: More carbonate, good for Stouts

• Munich: Balanced, good for Lagers

Mash pH

The ideal mash pH is 5.2-5.6. Wrong pH can cause:

• Astringency (too high)

• Poor enzyme activity

• Cloudy beers

How to Adjust Your Water?

1. Analyze your tap water (ask your water utility)

2. Choose a target profile based on your beer style

3. Calculate additions with our recipe generator

Our Recipe Wizard automatically calculates water additions for your recipe.

Tips for Beginners

1. Start simple - Brew without water adjustments first

2. No softeners - Softened water can cause problems

3. Document - Note your water profile for each batch

Water Chemistry for Beginners

Water Chemistry for Beginners

The Key Minerals

Calcium (Ca)

Sulfate (SO4)

Chloride (Cl)

The Sulfate/Chloride Ratio

Famous Water Profiles

Mash pH

How to Adjust Your Water?

Tips for Beginners

Related Articles

The Complete Hop Guide: Varieties and Usage

Brewing Yeast Guide: Which Yeast for Which Beer Style? (Ale vs. Lager)

Ready to brew your own beer?