Role of "time before crust breaking" in cupping

Role of "time before crust breaking" in cupping

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Role of "time before crust breaking" in cupping

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Role of "time before crust breaking" in cupping

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Role of "time before crust breaking" in cupping

Role of "time before crust breaking" in cupping

minimum dose size?

I use the Hario switch to brew my coffee and am trying to reduce my caffeine consumption. Hence I would like to brew smaller cups of coffee. I am currently using 10g of coffee with 160g of water. (1:16 Ratio) I am wondering if there is a minimum amount of coffee...

Role of "time before crust breaking" in cupping

One of the instructions for cupping is to wait 4 minutes before breaking the crust and removing floating stuff. It is also said (for instance by James Hoffmann) that, at that point, the brewing process is stopped. This is not clear to me and I have a couple of questions in particular which are all related:

  1. Why would the brewing process stop?
  2. What is the role of the time spent before breaking?
  3. Why 4 minutes? What would happen with much shorter or much longer times?

I've tried to cup the same coffee with two different times before breaking (2min vs 8min) and I couldn't notice any difference, so I'm quite puzzled.

Note: I did the cupping with relatively fresh dark roasted coffee beans, ground with a Timemore C2 grinder. I have used bottled water and a 55g/l ratio.

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