I cannot lie, my stomach made a little flip when I walked into
the union room at Marston’s brewery in Burton upon Trent on Wednesday. Here it
was: the most iconic fermentation system on the planet. The only example left,
out of – well, dozens, certainly, perhaps even hundreds, of unions in use in
breweries from London to Edinburgh back in the 19th century, though the most
famous sets of unions were in the breweries of Burton.
It is not a cheap method of brewing, and accountancy-led
brewing companies, combined with brewery closures, means that today Marston’s
is the only place where you can still find beer being made in traditional union
sets. Pictures don’t prepare for how big the union room is at Marston’s, packed
from wall to wall with sets of oak fermenting casks, each double row of 12
casks mounted under a long, deep trough, there to catch the excess yeast produced
in the fermentation as it spills out of the swan-neck pipes that rise up from
This being Wednesday, the unions had just been filled with
fermenting beer, which had already spent 48 hours in more conventional
fermenting vessels after the initial pitching of yeast into the wort. The
regime followed since a man called Peter Walker invented the union system in
the 1830s is that after that first fermentation has built up speed, the yeasty
wort is “dropped” out of the initial vessels, leaving behind trub and
other debris, and run into the troughs above the unions, before descending into
the union casks, each one of which hold 162 gallons – four and a half barrels
There, in the dark, the Marston’s union yeast gets into its stride, multiplying furiously as it turns the sugars in the wort into alcohol and carbon dioxide. The yeast loves life in the unions, and it increases so fast it foams up out of the casks and into the troughs in – from some of the unions last Wednesday – a constant creamy pour. The beer the yeast carries with it then runs back into the casks, leaving the yeast behind (to be, eventually, scooped out and turned into Marmite). Fermentation is effectively finished by the Friday, but the beer sits in the unions until the Monday, when it is run off to be packaged in cask, bottle or keg. Despite the expense, Marston’s brewers firmly believe the union system produced a beer with great stability and considerably enhanced flavours, and it is the only method used to make the brewery’s flagship Pedigree pale ale, as it was the main method of brewing in the many other breweries that once filled the town’s air with the beautiful scent of mashing barley, in the glorious past when Burton sent constant trainloads of IPA out around the world
And now, for the first time, Marston’s unions have been used to make an Imperial stout, the latest in the “Horninglow” series of one-off beers, which is why I was up in Burton, to talk to the head brewer, Pat McGinty, about the new beer, and also to have my first ever look at the Marston’s union room (shameful, I know. Call myself a beer writer?)
It’s not totally unknown to use unions to make porters and
stouts, and by coincidence only a few days before my trip to Burton I was
reading an article in a brewers’ trade magazine from 1878 by Charles Howard
Tripp of the Stogumber brewery, near Taunton, in Somerset about brewing porter
in unions. But I’m not aware of anyone making an Imperial stout that way.
Equally unusually, Pat McGinty has made this 7.5 per cent abv beer using
straight-up Burton well-water, rammed as it is with sulphates, which, conventionally,
is seen as terrific for pale beers but not so great for dark ones, where a more
London-like brewing liquor, with lots of calcium carbonate in, is regarded as
optimal. The reason for not altering the water chemistry, Pat says, is to
ensure this stout has a proper “Burton” character, which search for a
Burton character is the reason for brewing the stout in the unions, and fermenting
it with the standard Marston’s union yeast as used in making Pedigree. (The
yeast apparently got on fine with the dark grains and the higher OG of the
stout, though the brewers had to spend twice as long as they normally do, 4½
hours, cleaning the unions used for stout brewing, to ensure no contamination
of the next batch of Pedigree.)
To make up for the possibly unsuitable mineral profile, Pat
has used malted oats in the brew, to help round out the mouthfeel: the other
grains are pale ale malt, roasted barley, chocolate malt (Charles Howard Tripp
was keen on chocolate malt, which had only just been invented in his time, saying:
malt [gives] a capital rich and full flavour to the porter in which it is used”)
and malted wheat, while the hops are Challenger. The beer, which will, I
believe, be exclusive to Waitrose, was only two weeks old when we sampled it, unfiltered
and heavy on the roasty flavours, and it still had to be filtered, partially
carbonated and sent to the bottling plant, where each bottle will be seeded
with the same union yeast the beer was originally fermented with (the union
yeast apparently happily drops to the bottom of the bottle). It will then be
held on to for 14 days before being sent out for sale in stores, though Pat
McGinty suggests keeping the bottles for six to eight months to be “nicely
As well as a look at the union room we were also given the chance
to meet Marston’s last remaining cooper, Mark Newton, who spends most of his
time maintaining and repairing the union casks. That was fascinating, too, and
rather sad: Mark has trained up an apprentice, who now works elsewhere in the
brewery, but he is currently the last man in the town doing a job that once was
carried out by hundreds. Here’s a little photo-essay.
Kveik: a word we’re likely to be seeing a lot more of in the beer world. But what is kveik? Here are a couple of things it’s not:
Kveik is NOT a beer style. It’s the name given in parts of Western Norway to yeast used in the local tradition of farm brewing, it looks to be derived from an Old Norse word meaning “kindling”, as if the kveik kindled the fire in the brew, and it is apparently related to the English word “quick” in the sense of “alive”. In particular, kveik is NOT the Norwegian equivalent of Saison. Kveik is just one of half a dozen or so terms for “yeast” used in Norway, the others including barm (also found in Britain, of course), gjaer, gjest (from the same root as “yeast”) and gong, with kveik limited to the south-west of the country, but competing, even there, with the latter three words, which all had wider distribution.
Some similarities can be found in the brews made across the area where the term “kveik” is used: north of the Jostedal glacier they will generally be “raw” ales, that is, made without boiling the wort, and hop usage will be light to non-existent: generally restricted to leaving a bag of hops in the stream of wort running from the mash vessel. All will be made with water that has been boiled with branches of juniper in the pot, which gives a sharp, lemony/citric flavour to the ale, as well as helping to preserve against bacterial infection.
Kveik is NOT a particular strain of yeast, and saying “kveik yeast” is a bit tautological, although the term looks to cover a distinct family of yeasts. However, within that family are dozens, perhaps hundreds of different individual strains, and any one person’s kveik can contain between two and ten different individual strains. This use of multiple yeast strains appears to be important.
Some kveik are bottom-fermenting, some top-fermenting, and some intermediate, depending, basically, on where the brewer collected the yeast from at the end of fermentation. According to Lars Marius Garshol, who literally wrote the book on Norwegian farmhouse brewing, “in some areas, such as Sunnmøre and Nordfjord, there was a tradition that yeasts should be mixed every five years or so, and kveiks from those places show a much greater variety of yeast strains.”
Richard Preiss, co-founder of Escarpment Laboratories, based in Guelph, Ontario, whose company has done perhaps the most research into kveik of any on the planet, has suggested that these different strains need each other, that one makes a vitamin that the other ones need, and vice versa. According to Garshol, Preiss “always seems to get slower fermentations with single-strain yeasts from kveik cultures than [we see from others] with the mixed cultures. So they can survive without each other, but fermentation goes faster and easier with the help of the others. But doing an experiment to prove or disprove that in a way that’s reproducible by others is very difficult.”
That is not the most interesting fact about kveik, however. The aspect of kveik brewing that is most likely to ensure its adoption outside Norway is the range of flavours it is possible to get from the yeast, fruity and deep, which chime with the search for more flavour that seems to power much of the innovation in craft brewing right now. But there are other wonders: the high temperature tolerance exhibited by kveik strains, for example, many of which are happy fermenting at up to 40ºC.
Preiss, a tall, bearded and friendly Canadian, speaking at the Norsk Kornøl Festival in Hornindal, Western Norway, last month, revealed that his company had tested 25 different strains from samples of kveik supplied by Garshol, “and all of the ones we tested grew at 40ºC, while two thirds of them were tolerant to 42ºC, which isn’t normal in the larger world of beer: most people are fermenting at 20. This is remarkable. There are prominent yeast scientists that have engineered yeasts to work at 42ºC, and here’s a whole bunch of natural ones from Norway that do it too.
“This means that a home brewer who doesn’t have a lot of equipment, they don’t have a fridge to control the temperature, if it‘s 30ºC in a small city apartment they can still make a clean beer in the summer, and that‘s a little bit revolutionary, because that wasn’t really possible without these yeasts.” There are also, Preiss says, “some real opportunities for using these yeasts elsewhere, such as the ability to make good flavours, good beer at high temperatures. It means that a craft brewery in a tropical climate can maybe reduce their cooling costs and make their beer more energy-efficient.”
How did kveik yeasts evolve to be happy at such high temperatures? Garshol suggests it was due to the pressures the farm brewers were under, which influenced the yeasts they chose to preserve for brewing the next batch of ale: “The fermentation temperatures are crazy. But when you look at the old sources, they say ‘milk-warmÆ pretty much everywhere, in other words around 37ºC. Why is this? Obviously brewers want to add the yeast as quickly as they can. But as the wort cools, it cools more and more slowly. And with old-fashioned cooling methods and 150 litres of wort, that was slow. So there are lots of accounts of brewers having to stay awake until the middle of the night before they can add the yeast. And of course, the longer you wait, the greater the chance that some lactic acid bacteria gets in there. So you really want to ferment warm – the warmer you could ferment, the better.” Those yeasts that survived being thrown into wort at 40ºC to go on and ferment a successful, tasty beer would be the ones that get preserved for use in the future.
The same is true of kveik’s ability to dry out and still come back and thrive when rehydrated. Preiss says that when Escarpment received its initial samples of kveik, “the first thing we found out, and we found it out very quickly, is that this is not normal yeast. We got the dried sample in and rehydrated it, and the cells were looking healthy and plump within five minutes. We put some into some wort, went for lunch and came back 40 minutes later, and it was fermenting. That’s not normal for beer yeast. That was the first sign that this was probably something special.
“We did some fermentation trials of 25 kveik yeasts in comparison with standard Californian ale yeast, WLP001, the commonest yeast in homebrewing, and found they were pretty fast fermenters. Measuring the CO2 release rate 24 hours into the fermentation, some of the kveik yeasts had fermented twice as fast as the California ale yeast, and the majority, 19 out of 25, were outpacing it. This makes sense with what we saw with just rehydrating the yeast: it starts fermenting very fast. This seems to be a fairly common property with the kveik yeasts, and it is fairly unique, this rapid start to the fermentation. Brewers like that – brewers want to know that the fermentation is working. Some of the strains we tested were pretty much finished fermenting within two or three days.”
Again, the explanation for this comes from the pressures the yeast was put under. Norwegian farmhouse brewers did not, and do not, brew regularly: perhaps only two to four times a year. They needed to preserve their yeasts between brewings, and before refrigeration the only way to do this was by drying. Those yeast strains that survived drying were thus selected for. Similarly a farm brewer might have very little notice that a new supply of ale was needed: the arrival of unexpected guests, for example. Once more, those yeasts that started up quickly, and finished speedily would be optimally selected for.
Rather harder to explain is the alcohol tolerance of kveik strains. According to Preiss, “in terms of alcohol production from the wort, some were pretty efficient, but there was a big range of attenuation, from 66 per cent to 95 per cent, and in alcohol production, from 4.4 per cent to 6.4 per cent.” However, when Escarpment tested for how much alcohol kveik strains could cope with, “we were pretty stunned. We tested eight kveik yeasts for ethanol tolerance, and they were all growing in up to 12 per cent alcohol, which is not normal: conventional ale yeasts exhibit a spectrum, some that are not very good at surviving in high alcohol and some that do survive. It’s very rare to screen eight strains and find all of them growing like that. We found that even if we went up to 16 per cent alcohol, a third of the kveik strains will still grow, which is pretty remarkable.
“We also looked at the flocculation and we found that two thirds were very flocculent, many very, very flocculent. But even in one kveik sample there might be a huge variability in the flocculence between the different yeasts in the strain. Some are not very flocculent at all, some are dropping crystal clear in ten minutes. It’s again interesting to see that kind of variability in a single yeast community.
“We also tested the flavours they produce, using gas chromatography. We picked up a few pretty consistently with the kveik strains, fatty acid esters such as ethyl caproate, giving pineapple flavours, ethyl caprylate, giving pineapple, waxy and cognac flavours, ethyl decanoate, which is red apple, phenethyl acetate, which is floral and honey. Only two of the strains were phenolic, meaning [the rest] were likely picked at some point by humans because they were not phenol-producing, making for a taste that is very typical of ale yeasts, clean but with some fruitiness as well. The isobutenol, or fusel, levels were only around 50 per cent of US-05 [a common American homebrew yeast]. We also tasted citrus in a lot of the kveiks, we tasted rum and caramel flavours and we tasted almost mushroomy flavours as well. We’re still not sure what all those favour compounds are, and we may very well find that there are some unique ones made by kveik that are not made by other yeasts.”
Another thing Escarpment noticed, Preiss says, is that there seems to be two main groups of kveiks, looking at their genomes, which correspond, for the most part to the geography of the region where kveik is found: one group, including Hornindal, to the north of the Jostedal glacier, the largest glacier in Europe, and the Sognefjord, Norway’s largest and deepest fjord, and the other group, including Voss, to the south of those two important geographical barriers. “It suggests that though they may have had a common ancestor, they evolved separately because of the geographic isolation of the regions they are now mostly found. The glaciers and the fjords in Norway create barriers which made it hard for people to move around in the past. We don’t often see these kind of geographic links in the genetics of yeast cultures.” Garshol points out that the divide also matches a split between brewing processes: to the north, almost entirely raw ales, with the wort unboiled; to the south, most brewers boiling their wort. (For a proper discussion see Garshol’s own blog here)
The unanswered question at the moment is where kveik strains fit on the yeast family tree. A study released in 2016 by the Flanders Institute for Biotechnology and the University of Leuven in Belgium found that all commercial beer yeasts come in two strains, Beer One, which dates from the late 1500s or early 1600s and Beer Two, dating from the 1650s or so. So far Preiss and his team at Escarpment have only been able to make a rough fingerprint of the kveik strains they have, “which is not very high-resolution, but it’s typically accurate and it can give us an indication of the genetic relatedness of different yeasts. So what we found when we took this approach is that the kveik yeast across different samples were more closely related to each other than they were to the other strains of domesticated ale yeasts.
“Because of that, we think that the kveik may form a separate branch on the family tree of beer yeasts. That being said, if we go and look for the most closely related yeasts, it’s a group of strains that includes some Kölsch yeasts and English yeasts, as well as a Lithuanian strain we looked at. So it’s possible that all these yeasts have a common ancestor at some point in history. But we can’t say that confidently yet, without whole-genome sequencing.”
Finding out more with whole-genome sequencing is expensive – $1,000 or $2,000 per strain. “But we think that because of the way the kveik have been maintained, and maintained for much longer, they haven’t been stuck in a lab for 100 years, this may be a new way for us to study yeast domestication without necessarily studying the commercial yeasts,” Preiss says. “We applied for a grant, and I’m happy to say that we did get funding to do the whole-genome sequencing for these kveik strains. We can hopefully have an answer some time in the spring, and hopefully say for sure that the kveik are a separate line on the family tree and have a little bit of a better idea of exactly where and when they broke off from the other beer yeasts. We’re using these Norwegian yeasts to really push brewing science, and yeast science, forward.”
Another question to be answered is: are there other yeasts like these? “Yes, of course, in Lithuania, and Russia and probably in other places,” Preiss says. “That’s a really exciting opportunity, to maybe look at these and start to understand these other yeasts that aren’t industrial and aren’t wild. The term I’ve started to use is ‘landrace yeasts’, which I think works well for an organism that’s been domesticated traditionally, without the involvement of industry, and because of that unique cultural framework, it has become genetically distinct from the other populations of that species. It suggests a third entire category of yeasts that have not really been explored in brewing.”
I was lucky enough to get to see a “Norwegian farm brewer” in action: Stig Seljeset, whose father was a farmer brewer, and who wanted to maintain the tradition. Stig brews at Borghild Tunet in Hornindal, “tunet” being the Norwegian for “farmstead”, home of Idar Nygård, deputy mayor of Hornindal, who has preserved the old farmstead much as it would have looked a century and more ago. The beer Stig brews is a “raw ale”, made without boiling the wort. The first step is to boil up water (which comes from a borehole up in the mountains, and contains lots of dissolved limestone/chalk) and branches of juniper in a large iron pot, perhaps 100 litres or so, suspended over the fire in the old farmstead kitchen (exactly the same way that Frank Clark does in his reproduction 18th century farmhouse kitchen in Colonial Williamsburg, Virginia). All the equipment is then scrubbed down and washed out with the hot juniper-water, before Stig uses milk churns to carry hot juniper-water to the “mash tun”, a blue 200-litre food-grade plastic tub set up in the garage across the farmstead yard.
The malt – on this occasion Munton’s pale lager malt from Suffolk, though Stig is happy to use whatever malt he can get hold of – is added, and mashing takes place at 68-70ºC. Once sufficient time has passed for conversion of starches to sugar, the grain is transferred by buckets into the “lauter tun” – another blue plastic tub, this one with a tap set in the bottom. Beforehand, Stig has set a wooden “filter” in the tun, above the tap hole, augmenting this with leafy twigs of juniper. The wort left in the “mash ” is then poured into the “lauter tun”, and allowed to strain through into milk churns, while more hot juniper-water is poured in to “sparge” the malt. A bag containing loose hops – Challenger this time, though again Stig isn’t fussy, and will use what he can get – is hung in the churn and the hot wort runs over the hops, like a teabag. This is the only contact Stig’s ale has with hops.
Wort cooling takes place by looping a circular length of hosepipe with holes in round the top of the milkchurn and running cold water from the tap through the hosepipe, which trickles down the outside of the churn. Once cooled sufficiently, the wort is carried down to the cellar of the old farmhouse, where it is added to the “fermenting vessel” – one more blue plastic tub. Stig aims for a temperature of 32ºC when he pitches the kveik into the fermenting vessel, but it was a cold day, and his thermometer (the only “technology” Stig uses) showed the wort had dropped to 28ºC, so the last 10 litres of wort were added uncooled to bring everything up. The kveik, a mixture of dried yeast from brewings in 2012 and 2016, is warmed up and brought back to life in a wooden bowl of wort by the kitchen fire, and then added to the fermentation tub and left in the dark cellar to work magic. The final result, in a few days, will be cloudy, slightly lemony and sharp, probably around five per cent alcohol by volume, and delicious.
In Hornindal, in beautiful remotest Western Norway, if you tried to explain to the locals the fuss being made about cloudy New England IPAs, they would laugh, or look bemused. There are around a hundred or so people in the area who make beer, in a tradition going back hundreds of years. All of it is cloudy, and it likely always has been. This is partly, probably, because Hornindal is one of the centres of “raw ale”, rå øl in Norwegian, where the wort stays unboiled before fermentation. That is far from the only difference between what is called locally kornøl, literally “grain ale” (to differentiate it from other farmhouse brews such as birch sap beer – bjørkesevjeøl – or beer made just from sugar). All the beers are made with water that has had juniper branches boiled in it (but never the berries – too bitter). Hops are used lightly, if at all: a small bag of hops will be hung in the vessel that collects the wort. Perhaps most importantly, the yeast, known as kveik (a word that goes back to Old Norse kvikur, and seems to be related to the English word “quick” in the sense “alive”), will have been collected and dried from previous brews, and will give flavours quite unlike those from yeasts used by “mainstream” brewers. These are beers that push out the boundaries of the ale experience.
Now the rural brewing traditions of Norway are becoming more widely known, thanks in considerable part to the hard work of Lars Marius Garshol, whose writings have made him the Michael Jackson of gårdsøl (“farm ale”). Yeast companies are studying, and selling, kveik yeast, and commercial brewers in Norway are starting to make gårdsøl-style ales. The movement now has its own shop window, the Norsk Kornøl Festival in Hornindal, which has just been held for the second time, and I was privileged and honoured to be invited by the organisers to come and report on the event.
If there is a more international, more fascinating, more illuminating, more must-not-be-missed beer celebration on the planet right now than Carnivale Brettanomyces in Amsterdam, let me know immediately, because it must be marvellous.
Carnivale Brettanomyces, now on its sixth year, calls itself a beer festival, but it’s more a three-day massively parallel series of dozens of different events – lectures, tastings, panels, tap takeovers and food-and-beer matching – across eight different venues around Amsterdam, involving, for 2017, almost 60 breweries from not quite a dozen different countries, and several hundred visitors from at least 17 , from Canada to India.
What is particularly thrilling, besides the skin-tingling geekery of hearing people discuss, and discussing, deeply obscure aspects of beer making, is tasting deeply rare beers: Norwegian farmhouse ales, saisons from tiny Belgian 10th-generation family breweries, pale ales you would otherwise have to take a trip to far-off rural Vermont and queue for three hours in the cold to get hold of.
As the name implies, the purpose of the festival is to celebrate Brettanomyces, the funky (literally) cousin to standard brewer’s yeast, Saccharomyces cerevisiae. Most mainstream brewers, and all winemakers, shun Brett the way vampires flee from crosses, believing the aromas it brings to fermentations – sweaty socks, farmyards, damp leather – are definitely not those they wish to put in front of their drinkers. But Belgian brewers have been creatively using strains of Brett in everything from Lambics to pale ales (Orval, famously, has a touch of Brettanomyces) for centuries, and the yeast was actually first isolated from samples of English stock ales, and named, by the Danish brewing chemist Niels Hjelte Claussen, at Carlsberg in Copenhagen, in or shortly before 1903.
So, what was it like, the ancient lager Carlsberg spent two years and hundreds of thousands of kroner recreating, resurrecting yeast out of a bottle dating back to 1883, pulling out 130-year-old brewing records, growing an ancient barley variety, hiring a floor maltings, working out the most likely hop varieties to use, reproducing the original brewing water, having oak casks made in a Lithuanian cooperage, making moulds of vintage bottles so that new versions could be hand-blown, and then flying in dozens of journalists and beer writers to Copenhagen from as far away as Malaysia and California to drink the result. Continue reading Carlsberg celebrates the ordinary→
I gave a presentation in Denmark to a conference called to discuss “Ny Nordisk Øl” – “New Nordic Beer” – on “Beer and terroir from an international perspective” on Friday November 7. This, slightly tweaked, expanded in a couple of places and cut in a couple more, is that presentation.
The brewers of Denmark, Sweden and Norway are already enthusiastically making beers that reflect the place they are made, using local ingredients: you can read about some of those beers here. But what the Ny Nordisk Øl movement is doing is just part, albeit a tremendous part, of a wider movement to get away from internationally reproducible styles of beer, a movement that is finding expression in North America via campaigns such as “Beers made by walking about” and by brewers such as the Almanac Beer Company in San Francisco, the Mount Pleasant Brewing Company in Michigan, the Scratch microbrewery and farm in Southern Illinois and Plan Bee brewery in New York state, in Italy, in New Zealand, and in Australia, most eloquently by Ashley Huntington of Two Metre Tall brewery in Tasmania.
As I researched for my presentation, it became clear that the “place-based beer” movement is a growing global phenomenon, albeit as yet those engaged in it often seem unaware that others are fighting a similar crusade. This is a long blog but, I hope you’ll agree, fascinating in its implications for the future of craft beer.
Before I begin talking about beer terroir, it would be best to say exactly what I mean by the term in the context of brewing, what I think you need in order to be able to say that a beer has characteristics that fall under the name “terroir”, and some of the problems of trying to talk about “beer and terroir”.
There are plenty of complicated ways of defining “terroir”, and what it takes for “terroir” to be reflected in a beer. But the one I like best was said by an American craft brewer who said he was attempting to achieve in his beers “the essence of here”.
I had my first all-Brettanomyces beer earlier this month: Evil Twin’s Femme Fatale, which was on keg at the Cask in Clerkenwell, and is apparently meant to be a “Brett IPA”. It was … “interesting”, but perhaps only if you believe it’s interesting to drink something that tastes like essence of sweaty old leather sandals.
All-Brett beers have been popular for several years now in the US, of course. But the point about Brett, I think, is that, rather like hops, it’s meant to be used as a “spice” in beer, not the only audible ingredient. An all-Brett beer is an orchestra where the timpani is so amplified, you can’t hear anything else. If you want to use Brett – and it’s been an influence in brewing for many centuries, albeit a mostly unrecognised one – then it needs to be used judicially, particularly as its effects, the aromas and flavours it gives to beer, vary considerably depending on just how great a role Brettanomyces yeasts have been given. A subtle suggestion of something funky can be fine in a strong, complex ale. Being battered about the nostrils with all the aromas of a rugby team changing-room after a tough match on a hot day – not so much.
(Incidentally, the next person who writes that Brett gives a “horseblanket” aroma to beers will be poked with red-hot branding irons: I doubt more than one in five hundred beer drinkers knows what a horse blanket smells like, and I bet very, very few beer writers who steal that description from Michael Jackson have ever sniffed a horse blanket either.)
My wrestle with Femme Fatale (which I left sitting on the bar after less than a third of a pint) was a good limbering-up, however, for a beer Ed Wray of the Old Dairy brewery in Kent sent me more than a year ago, his “homage” to Colne Spring Ale. CSA is another legendary beer, vanished many years ago yet still talked about. It was made by Benskin’s of Watford, the biggest brewery Hertfordshire produced; named after the River Colne, which flows through Watford on its way to the Thames; and famous for being one of the strongest beers in Britain until it finally vanished in 1970. Continue reading Rule Brettannia→