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Arthur Henry

@casktheory

Musings and rants about beer Tracking Guinness price volatility in Belfast http://www.casktheory.co.uk http://casktheory.substack.com

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20.06.2025
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Latest posts by Arthur Henry @casktheory

Hard to maintain quality control when you're £148m in the hole and praying someone buys you before Christmas..

Being "punk" now means flogging warm, undrinkable pints whilst the founders count their £100m each and private equity waits for the cheque to clear.

Very rebellious..

14.02.2026 11:11 👍 1 🔁 0 💬 0 📌 0
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Five years, £148 million in losses, and a masterclass in why you should never confuse good marketing with good investment terms.

The punk rebellion was just really expensive theatre. Full breakdown below

open.substack.com/pub/casktheo...

14.02.2026 11:05 👍 1 🔁 0 💬 0 📌 0
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How a 1923 Temperance Law Killed Belfast’s Beer Scene (And Why Lidl Had to Cosplay as a Pub) Lidl just spent six years and £410,000 pretending to open a pub in Dundonald.

How a 1923 Temperance Law Killed Belfast’s Beer Scene (And Why Lidl Had to Cosplay as a Pub)

@bskybeer.bsky.social #beer #belfast

casktheory.substack.com/p/how-a-1923...

06.02.2026 15:53 👍 1 🔁 0 💬 0 📌 0

#Belfast has 49.13 nightclubs per 100,000 people?..that would be ~170 nightclubs. In Belfast..Anyone who's been out here knows that's nonsense. Here's why the numbers in @newsletter.co.uk 'best cities for nightlife' ranking are completely wrong: open.substack.com/pub/casktheo...

21.01.2026 12:46 👍 0 🔁 0 💬 0 📌 0
The Great 3.4% Gold Rush: How Big Beer Found the Magic Number - Cask Theory The UK brewing industry has discovered a magic number. Foster's, John Smith's, Carlsberg, Coors Light, Sol, Grolsch, Greene King IPA, and now Molson Coors' new Caffrey's Black Stout have all reformula...

Eleven major beers have all landed at exactly 3.4% ABV.. not 3.3%.. not 3.5% exactly 3.4%. Funny how that's 0.1% below the duty threshold that saves brewers millions 👀 casktheory.co.uk/the-great-3-...

20.01.2026 16:07 👍 1 🔁 0 💬 0 📌 0

The disparity is pretty interesting.. 7 units weekly in Guyana to 52 units in Fiji. Spain 35. Good old US of A reviewed in 2016 and kept it at 25. UK is literally the only country on Earth that landed on 14..I'm gonna lean with the Fijian approach on this one. For research purposes, obviously

20.01.2026 10:21 👍 5 🔁 1 💬 1 📌 0

Reading a mostly excellent book about effects of diet on blood pressure. Every single point about health effects of diet is carefully footnoted and points to serious research. Until we get to “drinking more than 14 units a week is a well known risk factor.” No footnote. Why would that be, I wonder?

20.01.2026 09:44 👍 35 🔁 3 💬 7 📌 0
The £100,000 License: How Northern Ireland Froze Its Pub Trade in 1923 - Cask Theory Next time you're in a Belfast pub, look at the taps. That lineup isn't about taste.. it's about debt. Northern Ireland's licensing system, frozen since 1923, requires £100,000 just to get permission t...

Next time you're in a #Belfast #pub, look at the taps. #Guinness, #Rockshore, #Harp, #Smithwick's all together? That's not taste. That's debt. Here's why it costs £100,000 just to get permission to pour a pint in Northern Ireland casktheory.co.uk/the-100000-l...

19.01.2026 21:27 👍 2 🔁 0 💬 0 📌 0