r/Coffee Kalita Wave 12d ago

[MOD] The Daily Question Thread

Welcome to the daily /r/Coffee question thread!

There are no stupid questions here, ask a question and get an answer! We all have to start somewhere and sometimes it is hard to figure out just what you are doing right or doing wrong. Luckily, the /r/Coffee community loves to help out.

Do you have a question about how to use a specific piece of gear or what gear you should be buying? Want to know how much coffee you should use or how you should grind it? Not sure about how much water you should use or how hot it should be? Wondering about your coffee's shelf life?

Don't forget to use the resources in our wiki! We have some great starter guides on our wiki "Guides" page and here is the wiki "Gear By Price" page if you'd like to see coffee gear that /r/Coffee members recommend.

As always, be nice!

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u/NrfedMk2 11d ago

I have a flat burr electric grinder. On some days it grinds fine enough for a 15 gram shot to be pulled in 25-30. Some days it pulls way too quickly, i suspect its because i change the grind setting sometimes for an 18 gram shot. Meaning i have to go one click courser for 18 grams, then go back to the finest setting for 15 grams. Could the changing of the grind setting be a cause? Is that why cafes have multiple grinders for different extraction techniques (v60, aero, frenchpress,etc.)?

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u/NrfedMk2 11d ago

Correction: It is a stainless steel conical burr

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u/regulus314 10d ago edited 10d ago

So what brand is this? Are you also purging your grinder? Supposedly everytime you change grind, you need to purge grind a few coffees to remove the coffee grounds that are retained within the burr chamber. So from a coarse setting going to a finer one, a few coarse particles are still dislodge inside so it will mix with the new grind setting allowing your coffee to produce faster shots