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Vertical Grind guide to brewing coffee

The Vertical Grind Coffee Brew Guide

We’re sticklers for the rules. Sometimes.

The way we see it, if you know how to do it “right” (if there is such a thing), then you can do it however you like it best. Personally, I like my coffee roasted dark, but my first cup is a little less strong. Is that the right way? Its the way I like it so what does “right” have to do with it.

So, technically speaking, grind size, water temp, and steep time is different (and matters) for every method. Get the ratio right and the rest is mostly forgiveness. This guide is just a guide. It’s the “here is how to get the most out of your First Ascent, Open Road, or Switchback coffees.” Don’t be too precious about it.

The Lineup, By Darkness

RoastStyleGrind adjustment
Open RoadMedium DarkStandard grind, standard everything
SwitchbackFrench Roast DarkOne notch coarser, one degree cooler
First AscentExtra DarkCoarsest end, water just off boil, don’t push it

Darker roasts are more brittle and they have more surface area. Grind it fine and you’ll pull something bitter enough to strip paint. Go coarser than you think. Darker roasts forgive a lot of things. They don’t forgive that.

What Grind Size Should I Use for Each Brew Method?

Coarse for French press, medium-fine for pour over, medium for drip, fine-medium for moka pot, fine for espresso. Darker roasts go one notch coarser than the roast beside them.

MethodTextureOpen RoadSwitchbackFirst Ascent
French PressCoarse, like sea saltCoarseCoarse+Coarsest
Pour OverMedium-fine, like table saltMedium-fineMediumMedium+
Drip MachineMedium, like sandMediumMedium+Medium+
Moka PotFine, finer than drip, coarser than espressoFine-mediumFine-medium+Fine-medium+
EspressoFine, like powdered sugar, not dustFineFine+Fine+

The rule: darker roast, coarser grind, every method, no exceptions.

Or don’t. If your grinder only has one setting and it’s been that way for two years, your coffee is probably fine. Taste it before you fix something that isn’t broken.

On espresso, I might be a bit more of a stickler. If your grind is too fine, it will be more bitter. If it is too coarse it will be more sour. This has to do with how much time the water has to pull out flavor and what flavor it pulls out.

But now you know how to adjust for what you like. You like that Hazy Sour IPA? By all means grind courser.

Many folks online will tell you to spend money on a good coffee mill vs a blade grinder. We agree. But needs must. My grinder is set for espresso grinds so when I want drip I use a blade grinder. Its just not worth the hassle for me. Again, what works best for you is best.

Vertical Grind grinder options - how to grind coffee

What Is the Correct Coffee to Water Ratio?

Somewhere between 1:15 and 1:17 for most brew methods, tighter for espresso, looser for drip.

MethodRatioExample
French Press1:1530g coffee to 450ml water
Pour Over1:1625g coffee to 400ml water
Drip Machine1:1760g coffee to a full 10-cup pot
Moka Pot1:8, packed not tamped18g coffee, fill the basket level
Espresso1:218g in, 36g out

Weigh it if you own a scale, eyeball it if you don’t. A scale gets you consistency from day to day. A scoop gets you coffee. Both are correct answers depending on how much you care that morning.

How Long Should You Steep or Pull Each Method?

French Press. Steep 4 minutes flat. Break the crust at 4:00, wait 30 seconds, plunge slow. Rushing the plunge kicks up sediment and you’ll be chewing your last sip. But on the plus side, it’s breakfast and coffee in one.

Pour Over. Bloom first. Wet the grinds and let them soak. Twice the coffee weight in water, 30 to 45 seconds, let it gas out before you pour the rest. Skip the bloom and you’re just making weak coffee slowly. Total brew time lands around 2:30 to 3:30.

Espresso. 3 to 5 second pre-infusion at low pressure before the shot ramps up. Shot itself runs 25 to 30 seconds. Longer than that and you’re extracting things that make your face do funny things. Great for guitar solos, coffee, not so much.

Moka Pot. No bloom, no steep. Low heat, lid cracked, pull it off the burner the second it starts gurgling. Let it finish on residual heat off the stove. High heat on a moka pot is how you get scorched coffee and a burn on your thumb.

Drip Machine. Full cycle, 4 to 6 minutes depending on the machine. Pre-infusion is built into most decent machines now. If yours doesn’t have it, that’s fine. Not as “good”, but fine. Like that last online date.

The rule: bloom your pour over, don’t skip it.

Or skip it. If you’re out the door in four minutes and the bloom is the difference between coffee and no coffee, take the coffee. Imperfect coffee beats an empty cup every time.

A perfect espresso pour

What Water Temperature Is Best for Brewing Coffee?

195°F to 205°F, just off a full boil, not mid-boil. Darker roasts run the cooler end.

195°F to 200°F for Switchback and First Ascent. Push a First Ascent with boiling water and you’ll taste ash before you taste coffee.

No thermometer, no problem. Boil it and let it sit 30 seconds off the heat. That’s close enough for anyone who isn’t entering a brewing competition.

This is where drip coffee makers tend to fall apart. They either don’t get up to a good temp or start to lose the ability to get there over time. Resisting the urge to make an age comparison here. A good drip or extraction coffee maker will change your life.

Other Keys That Actually Matter

Grind fresh, right before you brew. Pre-ground coffee starts losing its flavor within thirty minutes of contact with air. That bag on your counter from last week is fine for emergencies. It’s not the goal.

Use filtered water if you’ve got it. Coffee is mostly water. You can taste crisp clean water in your cup. Conversely, you can taste chlorinated water in your coffee. Want to REALLY step it up, reverse osmosis with an alkalyzing process. Now THAT is a nice cup of water.

Store the bag sealed, away from light, away from the stove. Not the freezer. I like a vacuum sealed container. But truth be told, I keep some emergency beans in the freezer. Is it right? Meh.

Black, or close to it, is where the flavor actually shows up. Drown it in cream before you’ve tasted it and you’re covering up a roast that didn’t need covering.

Or don’t. Cream’s not a crime (especially in a cortado or cubano). Add whatever you want, whenever you want it. We roasted the coffee. You get to decide what happens after that.

The One Rule That Isn’t Negotiable

Don’t drink it scalding. Wait the two minutes. Your tongue will thank you and so will your next six sips. If we had lawyers, they’d want that in bigger font. We don’t, so this’ll have to do.

The character of coffee changes as it cools too. Lighter roasts especially. A lukewarm cup will have more of the regional aspects. But its also lukewarm so….

FAQ

What grind size should I use for pour over?
Medium-fine, close to table salt. Go one notch coarser for Switchback or First Ascent.

How much coffee should I use per cup?
Start at a 1:16 ratio, roughly 1 tablespoon of coffee for every 6 ounces of water, then adjust to taste.

Should espresso water be boiling?
No. Pull it at 195°F to 205°F. Full boiling water scorches the grounds and pulls bitterness you didn’t ask for.

Do darker roasts need a coarser grind?
Yes. Dark roast beans are more brittle and extract faster. A coarser grind keeps that extraction from running past clean and into bitter.

Grab the Roast That Matches Your Method

Open Road for a standard grind, no adjustments needed. Switchback for heavy-bodied and clean on the finish. First Ascent for the one that gets you moving before your brain agrees to it.

Tag @verticalgrind when you brew it your way.

Andy Swanson

Andy runs marketing for Vertical Grind and has strong, mostly correct opinions about grind size. He's the reason the coffee actually reaches your inbox, your feed, and eventually your cup, and the guy behind most of the "just brew it your way" energy running through this site.

When he's not arguing about the best origin (hint: Sulawesi, Nicaragua, and Rwanda) he's probably testing the next roast before it gets a name.
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