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Justin Stach

@stach.uk
1.5K followers 499 following 938 posts

I make things better. Undertint – colour for watercolourists: www.undertint.app The Water Dictionary – www.waterdictionary.net Markset – Markdown previews in Finder: www.markset.app

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Justin Stach @stach.uk · 15h
Great investigation work from a horribly under resourced Environment Agency. A record fine of £8M against South West Water. www.bbc.co.uk/news/article...
bbc.co.uk
South West Water fined almost £8m for sewage spills
South West Water previously entered guilty pleas to pollution offences spanning six years.
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Justin Stach @stach.uk · 29/09/2026
@mikeywil.bsky.social Hello! How the hell are you?
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Bart⚓️ @bartgonnissen.bsky.social · 23/09/2026
The Facial Expressions of Tethys by artist Julius von Bismarck. A suspended high-sea buoy that moves in real time. Sensors on a twin buoy out in the Atlantic Ocean send live satellite data to motors inside the museum. This makes the indoor buoy copy the exact, real-time movements of the ocean waves.
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Justin Stach @stach.uk · 29/09/2026
Fuck me sideways, Meta really is a fucking toxic business. Totally ignoring the privacy and hoovering 187,000 lines from a journalist’s Messages database, despite Full Disk Access being off.
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Jem Stach @stachopeter.bsky.social · 25/06/2026
They aren’t worried Roko’s basilisk will kill them; they’re worried it wont exist to grant them immortality.
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Justin Stach @stach.uk · 08/09/2026
You and me both.
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Justin Stach @stach.uk · 08/09/2026
This might mean Gove was right.
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Justin Stach @stach.uk · 31/08/2026
Very odd hearing my weird, side project The Water Dictionary being talked about by @andrewhunterm.bsky.social as I walked the dog. overcast.fm/+AALJPD3wP_I...
overcast.fm
Little Fish: No Orifice Boy — No Such Thing As A Fish
James describes the time he inhabited a giant robot, while he, Anna and Andy discuss YOUR facts. This week’s subjects include candles, Canada and camphor. And the gang announce eight more Friend of th...
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Justin Stach @stach.uk · 29/08/2026
I have so many thoughts.
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Justin Stach @stach.uk · 21/08/2026
I suspect that this is actually asking about the favourite album of a band/artist you only half liked.
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Justin Stach @stach.uk · 20/08/2026
I’m so spreadsheet people I built my own horribly niche spreadsheet. b2.stach.ltd
b2.stach.ltd
B2 spreadsheet
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Justin Stach @stach.uk · 17/08/2026
Isn’t there some gdpr issue here? That doesn’t seem like someone has held your data as agreed.
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Justin Stach @stach.uk · 17/08/2026
That sounds like something went very wrong. Name and shame!
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Justin Stach @stach.uk · 10/08/2026
There’s a Hammer of the Gods style book about Depeche Mode that needs to be written.
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matt sephton @gingerbeardman.com · 17/07/2026
Long time no sea: finding the seahorse emoji blog.gingerbeardman.com/2026/07/17/l... *So it wasn't a dream!* I'm really happy to have found this, and Happy World Emoji Day. 🎉
blog.gingerbeardman.com
Long time no sea: finding the seahorse emoji  ⌘I  Get Info
Happy World Emoji Day! 🎉
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Jack Garfinkel @curiousscutter.bsky.social · 09/07/2026
New favourite account - eviscerated job adverts from the bleaker end of late stage capitalism 👇
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Justin Stach @stach.uk · 06/07/2026
More fiddling with my #watercolor experiments. Added where the colours sit on the gamut solid, and what they are. Ran it through a shader to make it look more like watercolour itself, and put it on a white background. All to avoid working on the app’s marketing.
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Justin Stach @stach.uk · 01/07/2026
A little bit obsessed with these visualisations of reachable colour in #watercolor sets.
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Justin Stach @stach.uk · 30/06/2026
I wanted to visualise the colours that commonly available #watercolour palettes are able to reach (part of a feature I'm working on for my app Undertint). For fun, I've made a tool to compare them side-by-side. I think they're rather lovely in their own right. justin.stach.uk/palette-spac...
The image shows a 3d solid representing the colours that the Holbein 24 colour Artist's Watercolours Set can reach. It is irregular and rainbow-coloured.
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Justin Stach @stach.uk · 29/06/2026
On mapping colour... justin.stach.uk/mapping-a-pa...
justin.stach.uk
Mapping a palette
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Justin Stach @stach.uk · 29/06/2026
If there was a copyright claim against these listings, eBay would have these down in minutes.
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Justin Stach @stach.uk · 29/06/2026
The desired range of colours in this case is those need to paint flowers (and based on lots of photos of flowers), so you can see lots of greens, yellows, reds, and not so much on the dark blues.
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Justin Stach @stach.uk · 29/06/2026
Playing with a new feature for Undertint: does my palette enable me to be paint a desired range of colours.
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Justin Stach @stach.uk · 26/06/2026
Conceding that perhaps today the butter may indeed need to go in the fridge.
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Professor Daniele Albertazzi @dralbertazziuk.bsky.social · 22/06/2026
As the UK takes in its newest PM, get ready for a miracle. All of the country’s deep-seated problems are about to completely vanish into thin air thanks to the new guy's "charisma"... 🧵
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Justin Stach @stach.uk · 22/06/2026
“People who know me think I’m ghastly”
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Justin Stach @stach.uk · 19/06/2026
I love objects like that. Little receptacles for memory.
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Justin Stach @stach.uk · 19/06/2026
Style always has a cost.
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Justin Stach @stach.uk · 19/06/2026
Today’s the day!
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Justin Stach @stach.uk · 18/06/2026
Allow me to plug my side project. www.waterdictionary.net
waterdictionary.net
The Water Dictionary
Simple mixing recipes for recreating world-famous water profiles for brewing, coffee, baking, and aquariums — using bottled waters from your local supermarket.
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dorian @doriantaylor.com · 18/06/2026
another big one for me is how extreme wealth inequality less a moral issue and more a security risk so much money that you're insulated from every conceivable fuckup demonstrably makes you stupid like the power to drag the entire world off a cliff with you and be the only one with a parachute
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Justin Stach @stach.uk · 16/06/2026
Solid and thoughtful. And I couldn’t agree more with, ‘Any platform that uses an algorithm more complex than ‘people you follow in chronological order’ to be treated as a publisher, and held to account for content’.
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Justin Stach @stach.uk · 14/06/2026
Interesting that Starmer, like Corbyn seems to elicit the same visceral but never explicable reaction from normal folks. Makes me wonder just what is it about Labour leaders that prevents them clicking with the general public.
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Ian Dunt @iandunt.bsky.social · 14/06/2026
Please read this if you want to think clearly about the issue
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matt sephton @gingerbeardman.com · 12/06/2026
My latest project, “Tatebanko” (Mac, iPad, iPhone) to create interactive paper dioramas. Shown is a Hokusai tatebanko from @mfaboston.bsky.social Author shapes and folds, then build! Trace-to-cut, pinch-to-fold, and drag-to-position in an adjustable 3D scene. Sugoi!
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Justin Stach @stach.uk · 12/06/2026
I now feel compelled to message you the same thing in LinkedIn. Sorry.
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Justin Stach @stach.uk · 11/06/2026
This is lovely!
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Justin Stach @stach.uk · 11/06/2026
Musk has very clearly demonstrated what we always knew. The weighting of what gets shown by a platform is an editorial action.
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Justin Stach @stach.uk · 11/06/2026
All this and still we don’t treat the social media platforms as publishers. Unbelievable.
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Justin Stach @stach.uk · 09/06/2026
Got App Store approval for v1.2 of my watercolour tools app Undertint. If you’re learning how to paint and have grown out of tutorials it might be of interest. It helps you learn how to mix the colours you see. Free, with lifetime one-time purchase Pro features. apps.apple.com/gb/app/under...
apps.apple.com
Undertint App - App Store
Download Undertint by Justin Stach on the App Store. See screenshots, ratings and reviews, user tips and more games like Undertint.
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Justin Stach @stach.uk · 08/06/2026
If you want to over-index on ‘without too many people’ try Lundy.
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Justin Stach @stach.uk · 06/06/2026
Still thinking about Backrooms. Might have to go and watch it again.
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Justin Stach @stach.uk · 06/06/2026
My fellow North Devonians will be interested to know this beauty was tested on Westward Ho! beach.
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Justin Stach @stach.uk · 05/06/2026
RETVRN
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Justin Stach @stach.uk · 04/06/2026
Back Rooms is very good, but even better was the two incredibly freaked out people frozen in the cinema’s dark exit corridor because they were trying to push the door open from the hinge side.
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Justin Stach @stach.uk · 28/05/2026
So good. Went to the superb market and ALL THE CUPBOARDS WERE BARE.
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Justin Stach @stach.uk · 25/05/2026
My background is architecture and design, and when I started my career every designer could draw, and draw well. At some point in my career I noticed that people had stopped drawing well, it became a nice little skill that some would use for flair.
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Pellicle @pelliclemag.com · 25/05/2026
The Circle Of Life
A meme of a circle of events. 
1. You support Pellicle with a subscription
2. We commission stories about pubs
3. You read about wonderful pubs
4. You discover and visit wonderful pubs!
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Justin Stach @stach.uk · 18/05/2026
The point flying so far over their heads they can’t even hear the whoosh.
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Justin Stach @stach.uk · 15/05/2026
When someone starts talking about unorthodox ways to deal with tax, you can be sure there’s Freemen of the Land or Sovereign Citizens coming up next. And sure enough…
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