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Build Your Malt Bill

Pick your base malt, layer in specialty grains, add yeast. See your grain bill total in real time.

Base
Specialty
Adjuncts
Yeast
Select one base malt — the foundation of your recipe (typically 70–100% of grain bill)
Add specialty malts for color, flavor & body (typically 5–25% combined)
Optional adjuncts — sugars, clarifiers & process aids
Select one yeast strain to complete your recipe

Your Grain Bill

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Start by picking a base malt from the left.

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Malt Bill Quick Reference

Base Malts

Provide the bulk of fermentable sugars. Pale 2-Row (2°L) is the American standard. Maris Otter (3.5°L) brings bready depth. Pilsner malt (1.5°L) is the European lager base. Munich (9°L) adds malty sweetness without specialty grain. Use at 70–100% of your grain bill.

Specialty Malts

Crystal/Caramel malts (10–120°L) add residual sweetness and body — higher Lovibond means darker color and richer caramel-to-raisin flavor. Roasted malts (300–500°L) bring coffee, chocolate, and char. Keep total specialty under 25% to avoid harsh, astringent character.

Recipe Balance

A balanced recipe uses 80–85% base, 10–15% specialty for flavor depth, and 0–5% adjuncts. For a 10-lb grain bill: 8.5 lbs base, 1 lb crystal, 0.5 lb Munich. Mash at 150–152°F for medium body. Higher mash temps (154°F+) = more body. Lower (148°F) = drier, crisper finish.

Malt Bill FAQ

Pale 2-Row is the American workhorse — clean, neutral, 1.8–2.2°L color, 80% extract efficiency. Maris Otter is an English heritage barley variety at 3–4°L with a distinctly bready, biscuity flavor. It costs 20–30% more per pound but adds noticeable depth in English ales, ESBs, and bitters. For American IPAs and pale ales, 2-Row keeps the malt profile clean so hops shine.

A general rule: keep total specialty malts under 20–25% of your grain bill. Crystal malts above 20% create cloying sweetness and poor attenuation. Roasted malts (chocolate, black patent) above 10% produce harsh astringency. A typical 5-gallon batch uses 8–9 lbs base malt plus 0.5–1.5 lbs specialty split between 1–2 types. More variety isn't always better — two well-chosen specialty malts beat five random ones.

Munich malt (8–10°L) is technically a base malt but is often used as a specialty addition at 10–20% of the grain bill. It adds a rich, bready, slightly sweet malt character without the residual sweetness of crystal malts. Use it in Oktoberfest/Märzen (up to 100% Munich), Vienna lagers, amber ales, and any recipe where you want more malt presence without adding caramel. It's the secret weapon for malt-forward beers that still finish clean.

Crystal 20°L gives light honey sweetness — great for pale ales and IPAs. Crystal 40°L is the most versatile, adding medium caramel that works in almost any ale. Crystal 60°L brings deeper caramel-toffee — standard for amber ales and browns. Crystal 80°L and above start adding dark fruit, raisin, and plum notes — use in porters, dubbels, and winter warmers. Crystal 120°L is very dark and should be used sparingly (under 3%) or it dominates.

If your grain bill includes more than 20% wheat, rye, or flaked grains — yes. These huskless grains compact during the mash and cause stuck sparges where wort stops flowing. Rice hulls are inert (no flavor, no color, no fermentables) and create drainage channels. Use 0.5–1 lb per 5-gallon batch for wheat beers, rye ales, or any recipe heavy on flaked adjuncts. They're cheap insurance against a brew-day disaster.

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