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Scientists claim to have discovered secret to perfect espresso (www.theguardian.com)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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Spoiler, its RDT

In case people do nto know what RDT is, which they really should if they have been into coffee for a little while as it makes a big difference:

RDT is Ross Droplet Technique, which is very much adding water to beans. Named after David Ross who came up with it back in 2005

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[–] [email protected] 5 points 11 months ago (1 children)

OK, I'm loading a spray bottle for tomorrow's shot.

[–] [email protected] 1 points 11 months ago (1 children)

Even slightly wetting the end of your finger and stirring it through the beans can be enough to make a difference.

[–] [email protected] 1 points 11 months ago

I use water for my filter grind. I have a measure cup for the beans. Then I use a wet teaspoon and stir it around in the measure cup. If I grind 10 grams the teaspoon is almost dry. If I grind 30-40 grams I have a solid water drop on the spoon. But it varies with the beans. Some beans produce more static and some less. If one or two beans get most of the water they will stick in the grinder. It's also easier to keep the grinder clean when there is less small static particles flying everywhere.