What We Know

One insight per line: the things gluten-free brewing has taught us that a good barley brewer would not know, or would guess wrong. Each carries a tag for what it rests on, and each links to the page that states it and shows the source.

This is not a summary of the site. It's the layer under it. Every line had to pass one test — would a brewer who knows barley cold say huh, I didn't know that? — and everything that was framing, instruction or philosophy was left on the pages where it belongs. The tag tells you what kind of true a line is: a number we measured or can cite, something Bard's did at scale, a published finding, or a position we hold and defend. Click any line for the why.

Measured Our data or a cited study — a number you can checkExperience Bard's did it at scale, and this is what happenedLiterature Published and cited, not oursPosition Where we stand, and why

Grains

What we have measured, run, read and decided about the grains themselves.

Sorghum — the material

• Sorghum grain protein runs about 6.8–19.6% across surveys, and our own NIR set spanned 6.4–16.8% in a single harvest year. Barley's accepted malting band is about three points wide, and that consistency is enforced by breeding and lot rejection, not biology.Measured
• Hybrid choice alone moved sorghum protein from 10.8% to 12.7% in US trials, before soil nitrogen moved it further.Literature
• A 15%-protein lot is not bad sorghum; it is sorghum nobody sorted.Position
• Free amino nitrogen in sorghum wort runs roughly half of what barley malt delivers — our own data — which is why yeast nutrition is a process goal here, not an afterthought.Measured
• Kafirin, sorghum's storage protein, is the most hydrophobic cereal prolamin and cross-links further under wet heat. Unlike most grain proteins, it gets harder to digest after cooking.Literature
• Whether a sorghum is a tannin type is decided at a single gene, Tannin1, which is why breeders could remove it cleanly — and condensed tannins bind the very enzymes malting develops.Literature
• "Is it non-tannin?" belongs on the acceptance list beside germination and mycotoxins. A supplier who cannot answer has told you something about their lot identity.Position
• In the Hartwick panels, white sorghum malt gave 76.8% fine extract against 66.8–68.8% for two reds. The colours diverge in malt performance and tannin character, not in raw-grain composition.Measured
• Field performance does not predict malt performance, and one location's numbers do not transfer to another.Measured
• The Madison screening ranked cultivars on diastatic power. Read for taste and clean wort, the same numbers rank differently.Measured
• Barley malt diastatic power runs near 116 °ASBC; sorghum sits around 4. A panel built for barley reports most sorghum malt as "below limit" because the interesting range is beneath where the method looks — and those <20 entries are the founding numbers behind this site's enzyme doctrine.Measured
• Soluble-to-total protein on two production sorghum malts read 13.2% and 16.8%, where well-modified barley sits in the high thirties to mid forties. The barley modification scale does not transfer.Measured
• Similar gravity did not mean identical process behaviour: in Bard's crop-year comparison, 2013 Ivory had the highest first-pass turbidity of the set.Measured
• Sweet-sorghum presses typically recover less than half the sugar in the stalk, and grain sorghum cannot be pressed at all. The only route to wort is malt, gelatinize, convert.Literature

Sorghum — Bard's production record

• Bard's brewed with sorghum malt exclusively — not because it was the only option, but because in our evaluation it was the best one for the beer we wanted to make.Experience
• Bard's ran one hybrid, Ivory 7 (Fontanelle 5040C), for roughly fourteen years — about double a seed product's usual seven-year commercial life — and lost it anyway, because demand measured in thousands of bushels cannot keep a hybrid alive.Experience
• Blue Milo #4 became the production cultivar after its first batch and was proven through 60-, 180- and 480-barrel runs, under a grain-sale and royalty arrangement that kept cultivar, grower and lot connected.Experience
• Extract solved production problems. It did not give the brewer full grain control.Experience
• FGIS pink certificates on Blue Milo #4 seed lots read aflatoxin not detected, DON not detected, fumonisin at or below 1 ppm — submitted-sample results that attach to the sample, not to the lot.Measured

Millet, rice, corn, buckwheat

• A millet malt that behaves on brew day can still show a grain edge, brightness or tang after fermentation, carbonation and conditioning. Judge it in finished beer, not in the mash tun.Experience
• Malted corn had real malt-forward character in our field experience. What came with it was a coating, oily, germ-like package: the malt note was there, and the beer did not work.Experience
• Do not publish or trust a universal safe percentage for malted corn.Position
• Rice converts easily, and that is the trap: conversion success is not base-malt success, and enzymes converting it does not make it a malt system.Position
• Buckwheat starch gelatinizes at about 149–172°F (65–78°C), measured — hotter than the 140–160°F (60–71°C) range usually quoted.Literature
• A brewing grain is a starch reservoir with a protein problem — 55–85% starch, 6–17% protein — and soybean fails every column in the same direction. In Craig's recollection a local group's soybean beer failed badly; the composition table is the whole autopsy.Experience

Oats

• Don't fucking use oats.Position
• Most people with celiac disease tolerate pure oats — adverse reactions in fewer than 10% — and mainstream guidance recommends certified gluten-free oats. That is the evidence against our position, at full strength.Literature
• In the most direct experiment run to date, purified avenin triggered immune activation in 11 of 29 celiac participants and acute symptoms in 17 — and no test, label or cultivar identifies the reactive person in advance.Literature
• Labeled gluten-free oat products keep testing positive: 24 of 213 (11%) carried quantifiable gluten at or above 5 ppm across 2011–2023, in the hands of the most careful watchers.Literature
• Oats are the one gluten-free-eligible grain with a documented, kernel-level contamination record even inside controlled systems, and beer is the one product where the finished-product test cannot back you up.Position
• Legal gluten-free labeling is not the same as the Gluten Free Brewer standard: FDA treats oats as a non-gluten-containing grain when the finished food meets the under-20-ppm rule.Literature

Sourcing, identity and storage

• Gluten reaches gluten-free grain in the field, the combine, the farm bin, the truck and the elevator — and in our years of buying, almost nobody in the chain called it out, because gluten-free is a rounding error to grain infrastructure.Experience
• Wheat, barley or oats in a field's rotation is a finding, not a disqualifier — but it changes what you inspect and test.Position
• The route that works is farmer-direct: a known grower, a named cultivar, a lot that stayed identified from field to delivery.Experience
• A perfect spreadsheet cannot repair a physically mixed lot.Position
• A COA that cannot be matched to the physical material you received — lot code, date, quantity — is detached paperwork, not evidence. And a clean COA is not a gluten-free statement.Position
• US growers planted 6.64 million acres of sorghum and harvested 437 million bushels in 2025 — third among US cereals — yet food-grade, identity-preserved, gluten-free-handled malting supply barely exists.Literature
• Sorghum loses less than its competitors when the rain stops, not nothing: water stress still costs more than 36% of yield at the vegetative stage and more than 55% at the reproductive stage.Literature

38 insights · each links to the page that states and sources it

Malting

What steeping, germinating and kilning sorghum for beer actually looked like at production scale, and what the numbers said.

Steep and germination

• Bard's steeped and germinated warm — a target of 82°F (28°C), raised over time from a cooler start, because warmth built more malt flavor. The alarm side of the same rule: never let the grain reach 86°F (30°C), above which microbial pressure and uneven growth climb fast.Experience
• Steep-out came at first chit, roughly 33–36% grain moisture on a wet basis. The same measurement reads 52–58% figured against dry grain weight — a units trap that bit us.Experience
• The malting literature suggests a hotter 35–40°C final steep to accelerate hydration and boost diastatic power. Under "the enzymes are not the point" that benefit evaporates while the microbial cost stays, so the warm-but-bounded steep won.Position
• Barley leaves the steep carrying enough water to finish modification; sorghum does not. Run a sorghum bed on its steep water alone and modification stalls and the malt fails quietly.Experience
• In production, germination ran about 4–5 days, moving on when the acrospire reached roughly full kernel length. On a small, well-aerated bench unit the same grain hits the same endpoint in about 3 days — and overshoots fast past it.Experience
• In the Madison micro-malting screening the modification target — 1:1 shoot-to-grain length, roughly 1-inch rootlets — was reached by 72 hours; the 96-hour samples modified further but at malting losses the report flagged. Both the 3-day and 4-day tables are published for all 25 cultivars.Measured
• The warm steep raised the microbial-control burden, so Bard's gave it a cadence, not a vibe: the grain was checked every 8 hours, on the same rounds that watered the germination bed.Experience

Kilning and character

• The academic sorghum-malting literature caps the kiln near 50°C to protect diastatic power, because that malt has to convert its own mash. External enzymes own conversion here, so Bard's kiln ran to 85°C for the flavor, color and storage stability the beer actually needs.Experience
• Bard's 2018 roast program produced a roasted white sorghum malt, working designation C-70, with measured color of 65–75 °L and flavor judged worth building on. The roast schedule itself stayed with the contract roaster; as of September 2026 the archive holds the endpoints, not the program.Measured
• GFB-SML is our proposed sensory lexicon for sorghum malt — twenty-six attributes with definitions, a 0–15 intensity scale and physical reference anchors, drawn from a sorghum grain lexicon, a brewing malt lexicon and one trained panel on malted sorghum wort. A draft for a panel to test, not a ratified standard.Position

Enzymes, acceptance and release

• An independent laboratory panel on Bard's production red sorghum malt (March 2019) — properly steeped, germinated and kilned for character — measured its conversion power at a fraction of barley's. The numbers said what the doctrine says.Measured
• Gluten Free Brewer does not credit native malt enzyme activity as conversion capacity or design around it. That is an operating decision, not a denial: the capacity is variable and fragile, and the maltster may destroy it while making better malt.Position
• Bard's grain-purchase gate was a germination floor of 85% within three days, with 90% the target. An "85% germination" from a lab warm test and an "85% germinative energy" are different claims about the grain; a report that states the method is worth more than either number alone.Measured
• Bard's ran lot release as a paper rule, not a habit: every lot moved with its written analysis sheet, and a lot without its results attached did not move.Experience
• Mixing a failing lot into passing lots does not produce a passing lot. It produces a larger problem with worse traceability.Position
• At contract-production scale Bard's chose sorghum malt extract for speed and consistency. The malted-grain process worked, and remains this site's published baseline.Experience

16 insights · each links to the page that states and sources it

Mash & Enzymes

Why a sorghum mash fails the barley playbook, and what the production process did about it.

Why the mash is different

• Sorghum starch completes gelatinization toward the top of its roughly 154–178°F (68–81°C) range — above the roughly 148–162°F (64–72°C) where mash enzymes work. The starch has to be cooked before it is available at all.Literature
• Time cannot substitute for temperature: starch whose gelatinization temperature is above your rest temperature will not gelatinize at any duration.Literature
• With the malt enzymes alive the whole time, our early sorghum mashes came out dextrinous and low-alcohol or thin and watery — never balanced. The lesson was that sorghum malt does not carry the right conversion enzymes, and no amount of clever mashing changes that; the deficit was in the literature before we brewed a drop.Experience
• In Bard's production records a failed conversion announced itself exactly as the textbook says: the mash sample "turned iodine blue, loaded with starch."Experience
• Iodine-negative means the long chains are gone. It says nothing about fermentability, gravity, or whether the wort will ferment to plan — only a sugar profile answers that.Literature
• High viscosity, rising load and a bed that sets usually point to incomplete liquefaction or an enzyme-sequencing problem — not to too few rice hulls.Experience

The Reliable Mash

• A 30-minute hold at 190°F (88°C) worked in most of our runs. The 60 minutes the protocol specifies is production insurance against malt-lot, equipment, heating, mixing and scale variability — not the minimum time conversion requires.Experience
• The 190°F / 60-minute baseline was adopted in November 2019 on the enzyme distributor's recommendation and kept because it worked.Experience
• The production Termamyl SC DS dose, 1 mL/lb at mash-in plus 0.75 at coolback, is about 3.7 times the rate documented on Bard's own sheet and about 26 times the maker's handbook rate for a barley-adjunct cereal cooker. The full ladder from maker to pilot is on the page.Measured
• In Bard's commercial experience, doubling enzyme doses "to be safe" hurt flavor even when conversion completed.Experience
• Mash pH 5.5–5.6 is where the GFB enzyme program was run, not a universal constant. It is the single most important water lever, because enzyme activity is pH-dependent.Position
• The ~100 ppm calcium baseline carried over from Termamyl Classic, which needs 50–150 ppm. The protocol switched to Termamyl SC DS — no calcium dependency, works below 20 ppm — two days after the water note was written, and the note was never revisited.Experience
• Bard's ran about 4.8% rice hulls and lautered clean. The mature sorghum operations we know run under 2%, some none, because coarse grind builds the bed instead.Experience
• The Maltose Mash is the design that ran as Bard's original production mash and, through toll-processed extract, made most of the beer Bard's ever sold. Its three logged runs record that it ran, not how it came out — no fermentation curve, no sugar profile, no sensory panel, in anything the archive holds as of September 2026.Experience

Sugar, yeast and foam

• A 1.004 finishing gravity on a beer under 5% is not a stuck fermentation to be rescued. On a glucoamylase-driven sorghum wort it is the expected outcome, and chasing residual sweetness afterwards adds no body back.Experience
• Real degree of fermentation held 65–68% across four years of production QA — the consistency claim, demonstrated rather than asserted.Measured
• Raise for the diacetyl rest at 5 °P, while there is still active fermentation to scrub the diacetyl. A rest started after the yeast has finished and flocculated is a warm-conditioning step, not a diacetyl rest.Experience
• Trim the kettle charge by roughly five IBUs and add those five back as reduced hop extract downstream. Gluten-free wort lacks the foam-active proteins barley wort brings; reduced iso-alpha acids are among the most foam-positive compounds a brewer can add and sit under the flavor threshold at that dose. It was a step in Bard's operating protocol, and the contract brewery adopted it for its own beers.Experience
• The flagship ran 18 IBU — five of them from tetra extract — on a 10.5 °P wort finishing near 4.7% ABV, with German Magnum for bittering and German Tettnang in two late additions, on a 100% malted-sorghum base.Experience
• German hop varieties worked well with sorghum malt and some others did not — Saaz in particular clashed. Craig's field experience, stated as experience and not as a finding; as of September 2026 we have found no published controlled comparison of hop varieties on a sorghum base.Experience
• Liquid yeast is a gluten risk only because of what it was grown on. The barley never touches your mash; it already touched the yeast at the lab — and a finished-beer test cannot catch it.Position
• Repitching from the previous gluten-free batch was Bard's most common yeast route in practice, and the cheapest.Experience

22 insights · each links to the page that states and sources it

Gluten-Free Safety & Trust

What testing can and cannot prove in beer, what the law actually says, and what the category's own customers reported.

Testing and the law

• Fermentation breaks gluten quantification. The common sandwich R5 ELISA needs two intact binding sites on the same protein, so in fermented beer the number verifies — it does not prove.Literature
• The FDA gluten-free threshold, below 20 ppm under 21 CFR 101.91, is a ceiling, not a target — the most that may be present before a food loses the right to the label, not an amount anyone set out to include.Literature
• A beer brewed without malted barley is not a malt beverage under federal law: the FDA governs its label, not the TTB. That means a Nutrition Facts panel and a full ingredient list on the can — and it is the only kind of beer that may legally print the words gluten-free.Literature
• Beer fermented from barley and treated to remove gluten cannot be labeled gluten-free in the United States. Its required statement concedes the measurement problem out loud: the gluten content cannot be verified.Literature
• In a 2017 antibody study, none of 60 sera — 31 active celiac patients, 29 controls — bound proteins in the gluten-free beer, while two celiac patients' sera bound the gluten-removed beer.Literature
• FARRP tested Bard's grain and malt against a 10 ppm limit of quantitation, with a 5 ppm option offered. Every result was a non-detect, not a measured number.Measured
• Do not treat <10 ppm as the definition of "not detected." It is the quantification limit of one competitive R5 method used on fermented matrices; other methods and matrices quantify lower.Position

What the customers reported

• The Celiac Support Association and Bard's surveyed 985 people living gluten-free about barley beers processed to reduce gluten. Of 717 who drank one and reported an outcome, 578 liked it — and 209 of those, 36.2%, reported a gluten-related physical reaction anyway.Measured
• Among respondents with diagnosed celiac disease, 211 of 529 who tried gluten-reduced beer reported a reaction: 39.9%. Of 279 reported reactions, 141 were described as strong rather than slight.Measured
• Of 832 who answered, 361 were unaware at purchase that the beer contained wheat or barley — more than four in ten. 149 people both reported a reaction and had no idea what was in the glass.Measured

The trust chain in practice

• Bard's ran a qualitative gliadin screen on cast wort as a midpoint — about 3 ppm gliadin trigger — so that if a packaged lot ever failed, the result would say whether contamination entered before or during the brewhouse: a supplier investigation or a sanitation investigation.Experience
• The production QA log's 21 "Gliadin Negative" rows are all from 2014 — seven brews, three checkpoints each. One validation season, not four years of routine testing.Measured
• In contract brewing we knew every brewery fully cleaned its systems once a week, so we made sure our brews were first in line after that cleanout. Schedule position is a control.Experience
• Having an FGIS inspector come out to sample ran about $35 per call in Bard's era — official, independent verification cheap enough that a brewery without a lab could run a credible intake gate.Experience
• Bard's lot IDs chained from farm bin through rail car, malt batch, extract and beer — Farm_Bin01_RC1_2007-02-02_BaseMalt_2007-02-27 — so every later gate inherited the first gate's identifier.Experience
• A lot that cannot be tied back to a specific farm and bin has already failed acceptance. You cannot investigate a contamination you cannot trace.Position
• Contracted sorghum was held in isolated bins at harvest and moved into managed storage before summer heat could damage it. Dead grain will not malt; storage protects the germination you paid for.Experience
• Finished beer: choose one temperature regime and hold it — cold (at or below 55°F) from packaging to sale, or consistently warm — never a mixture of warm and cold, which is worse than either.Experience

18 insights · each links to the page that states and sources it

Homebrew

The production process at five gallons: what changes, what breaks, and what the 2018 notebooks got right and wrong.

Running the mash at five gallons

• Three things decide whether a 100% sorghum malt mash works at home: enzyme in the water before the grain, continuous stirring, and the 180°F (82°C) mash-out.Experience
• A commercial mash tun drifts; a 5-gallon vessel overshoots. On the 190°F liquefaction the temperature is the process, and you can blow past a rest before you notice.Experience
• Cooling a 2.6 L/kg mash from 190°F (88°C) to 132°F (56°C) means shedding roughly 405 kJ per kilogram of grain. Ice is about 3.4 times more effective per kilogram than tap water, because melting absorbs heat before the meltwater warms at all.Measured
• Running out of chilled liquor mid-coolback means reaching for the tap, and that is how a planned 3.3 L/kg mash becomes an accidental 5. Freeze your own brewing water 24 hours ahead and you know exactly what you are adding.Experience
• The gluten-free homebrew community, working independently of us, converged on the same enzyme toolkit our production protocols use — Termamyl, Ondea Pro, Fungamyl 800L, AMG 300L, SEBAmyl — and its published material independently confirms that gluten-free malt does not convert itself.Experience

What the 2018 notebooks got right and wrong

• Two of the four 2018 homebrew methods rested at 163.4°F (73°C) — inside sorghum's 154–178°F (68–81°C) gelatinization range but opening only the lower part of it. The heat-stable enzyme in the water is rated far higher; roughly 25°F of headroom went unused, and a hundred-minute hold does not buy the closed starch back.Literature
• The old traditional method reaches full gelatinization because of the hard boil, not the 153°F (67°C) rest. Skip the boil because 153°F looks like an ordinary mash rest, and most of the starch stays closed and the extract stays in the tun.Literature
• The Hot Amylex method's "180°F rest" was the strike-water temperature. Once the grain goes in the mash sits at about 167°F (75°C), and there is a second, cooler conversion rest the summary block omitted — Craig, who ran the sessions, caught it.Experience
• The notebook's "L/G" meant quarts per pound in Craig's single-vessel notes and litres per kilogram in the production documents — a two-fold difference that survived on the site until the one line that states a volume (3.75 gallons on 12 lb) settled it.Experience
• Every batch Craig brewed during the Tavern Ale stretch went to production testing, so he never drank any of it. It was the best thing he ever brewed — Bard's first investor wrote a check after tasting it — and that is most of why the formula was never written down.Experience
• At 2 lb (0.9 kg) in five gallons, honey is roughly 15–18% of the fermentables: enough to read in the nose and finish, not enough to thin the body. Added at flameout or below about 180°F (82°C) in the whirlpool the aroma survives; boiled hard, it does not.Literature

Shared equipment

• The mill is the worst cross-contact risk in a shared homebrewery and you cannot wash it — water and mill rollers are a bad combination. Vacuuming helps and does not finish the job; a second mill for gluten-free grain only does.Position
• If you cannot disassemble it to see the inside, you cannot verify it. A ball valve that does not come apart is a crevice you cannot clear.Position

13 insights · each links to the page that states and sources it

Market

What one company's documented numbers and a 2019 audience study say about who buys this beer and what it costs to make.

Costs, documented

• In Bard's 2018 contract-brewing selection, the all-in cost of goods for a 12 oz case landed in the $13.95–$14.78 range across the breweries bid, and the deal finally structured came to $14.28 once the packing fee was set. One lower bid near $12 was eliminated on the judgement that the quality could not be delivered at that price.Measured
• A small gluten-free brand's cost per case is set mostly by things it does not control: order quantity, contract terms, freight lanes, and how many suppliers are willing to sell it the thing at all.Position
• A custom roasting or malting run carries the same rig time, changeover and cleaning whether you order 100 lb or 400 lb, so the rate per pound falls sharply as the run grows. The documented quotes in our own archive show it.Experience
• In our 2019 contract work the brewery obtained the hops and enzyme and billed the cost back — often cheaper than sourcing them yourself, and worth asking for explicitly. In the 2018 selection the packing fee was the negotiated variable that set the final case cost; the brewing rate was fixed by then.Experience

Who the customer is

• The 2019 audience study split the market into four buyers — medical/celiac, gluten-sensitive, wellness, and the craft drinker who wants the beer to be good — each with a measured pool size and demographic fingerprint. One gluten-free pitch to all of them fails.Measured
• Women aged 21–34 showed up in the 2019 data as an audience where beer interest and gluten-free need overlapped — against the default picture of the strict medical buyer standing alone in an aisle.Measured
• The 2019 sizing funnel filtered 233 million adults down to about 1.3 million reachable buyers, and treated the spouse or partner as a single bounded 60% step — roughly 2.1M segment buyers became about 3.35M — not as a multiplier stacked onto revenue.Measured
• The South Atlantic holds the largest filtered health target (about 3.0M) but indexes low on premium-beer and cider behavior; the Mountain division holds a third of that (about 1.0M) and indexes highest in the country on gluten-free need.Measured
• One person's dietary need steers the whole purchase: a group choosing a taproom does not split into five venues because one person needs a credible gluten-free option. They pick a place that works for the table.Position
• A beer that tastes like apology does not get a second six-pack.Position
• Gluten-free brewers are the most demanding grain buyers in the market and the most underserved: they will pay for grain they can trust, and they cannot find it.Position

11 insights · each links to the page that states and sources it

The Field & the Record

What the research landscape, the traditional-fermentation record and Bard's own history teach that a brewer would not guess.

The research landscape

• The homebrew community's published figures put barley malt at 418 °WK diastatic power against malted sorghum's 54 °WK — roughly one-eighth. Rice malt is listed at 231 °WK, which sits oddly against its reputation as the inert grain.Literature
• Four yeast strains, sorghum against barley, the same recipe: all nine measured aroma compounds came out lower in sorghum, and strain choice did not move them. The lever most brewers reach for first is the one ruled out.Literature
• The 20 ppm labeling limit descends from a trial that established a tolerable daily gluten dose, not a concentration.Literature
• Published surveys of sorghum-based malt, wort and beer have found aflatoxins, fumonisin B1 and zearalenone. The home-malting guides our directory lists do not mention it; one 2017 hobbyist write-up does, and declines to recommend home malting of sorghum at all.Position
• Low-temperature enzyme mashing work at Nottingham showed sorghum can be converted without reaching gelatinization temperature, and that grain microstructure matters more than protein content.Literature
• Most external-enzyme science is done inside the producers' own laboratories and published as technical sheets rather than papers. Yeast houses, by contrast, publish strain data and trial results far more freely.Literature
• Fonio's malting science exists but has been dormant for a generation: a Nigerian biochemistry corpus from the 1990s found β-amylase-dominant malts resembling barley's enzyme profile.Literature
• Corn is the most researched crop on earth, with a scientific apparatus that dwarfs every other grain in this family combined — and almost none of it concerns brewing.Position
• For teff and fonio, no funder owns the brewing question: the documented money funds breeding, germplasm, food security and, for fonio, processing. As of September 2026 we have found no sponsor for the gap between the field science and a brewer's kettle.Position
• BJCP Category 31A sends ingredient-gluten-free beers to Alternative Grain Beer and sends process-removed beers back to their base style — the competition table draws the same line this site does.Literature
• The grain exists in enormous quantity and the breweries exist. What does not exist in the United States, at any scale that resembles barley's, is the malting layer between them — the one industrial sorghum malting plant on our roster is in Nigeria.Position
• Most gluten-free brewing grain is grown for food, feed or forage, and reaches brewing as a commodity with its history stripped off.Position

What traditional fermentation proves

• Nigeria, 1988: a barley import ban forced a national industry onto sorghum, and the beer market fell from 12–13 million hectolitres to barely four. It is the largest natural experiment the field has.Literature
• Munkoyo: the root of a wild Zambian legume converted 75% of maize starch in one hour at 45°C, yielding 80% maltose — faster than a mash, from a wild legume root that nobody breeds and nobody has characterised for brewing.Literature
• Every sorghum malt specification descends from SABS 235, a 1970 South African standard written for traditional African beer — a national standards body writing a specification for a gluten-free malt, and with it the Sorghum Diastatic Unit.Literature
• Fifty-two documented traditions across eleven regions ferment these grains, at scale, sustained across generations without a single industrial malting plant.Literature

What Bard's history teaches

• In the extract era there was no mash on the brewery floor. The February 2016 procedure for the flagship documents it — 10.5°P, 18 IBU, color 5 — and everything this site publishes about mashing sorghum malt directly is the work of taking the mash back.Experience
• Making something alcoholic without gluten was never the hard part; that had been done, badly, several times over. The hard part was real beer, from gluten-free malt, at production scale.Position
• Tavern Ale was one of the strongest beers of the Bard's era and likely would have entered production if Bard's Gold had not kept selling out and consuming the available capacity.Experience
• Gluten-free drinkers were never buying flavor alone. A beer built only around fermentable sugar is missing part of what makes beer feel like beer.Position
• We never needed sorghum malt to impersonate barley's enzyme package. Milling, starch access, temperature, enzymes, runoff, fermentation, sensory — each had to be worked out for the grain actually in the tun.Position

21 insights · each links to the page that states and sources it

How a line earns its place

It has to be an insight, it has to be one sentence, and it has to be kept to what its page states and sources. Rewording is allowed; inventing is not — if a good line has no page behind it, that's a page to write first. The tag is an editorial judgment, made by the person who did the work, about what the sentence rests on. Every card was cut from the same test, and the list grows only when a page earns a line.

Something here wrong, or missing? Tell us. The whole site improves that way.