If you've ever brewed a cup of coffee that tasted bitter, sour, or just flat — your grind size may be the culprit. One of the most overlooked variables in brewing great coffee is grind coarseness, and getting it wrong can ruin even the finest beans. Here at Crezia, we want every cup of our Castillo and Geisha to taste exactly as it should — so let's break down exactly what grind you need for each brewing method.
Why Grind Size Matters
Grind size directly controls how fast water extracts flavor from your coffee. Use the wrong grind size and you'll end up with sour or bitter-tasting coffee — it's not coffee snobbery, it's science. Coffee brewed too long can taste bitter — this is called over-extraction. Coffee with too little contact time can taste weak and sour — this is called under-extraction. Getting your grind right is the single easiest way to improve your cup without spending a dollar more on beans.
French Press — Coarse Grind
Brewing coffee with a French Press requires a coarse, even grind. Because the coffee is steeped in boiling water, the contact time between the water and coffee is much longer, which requires a coarser grind. Your coarse coffee grounds should be about the size of sea salt.
If you grind too fine for a French press, small particles will pass through the metal mesh filter and end up in your cup — giving you a muddy, over-extracted brew. A coarse grind keeps things clean, bold, and full-bodied.
If you love the rich, full-bodied flavors that a French press brings out, our Castillo whole bean is an excellent choice — its dark caramel and fruity citrus notes shine beautifully with a longer steep time.
Espresso — Fine Grind
Espresso is made when hot water is forced through super-fine coffee grounds that are tightly packed at 8+ bars of pressure. The grounds have to be super-fine for the brewing to work — if the grounds are even just slightly coarser, the water will rush through without achieving proper extraction.
Espresso is the most sensitive of all brewing methods when it comes to grind size. If the grind is just slightly finer or coarser, it can drastically affect the taste of your shot. This is why espresso drinkers often invest in dedicated espresso grinders with precise micro-adjustment settings.
Our Geisha whole bean is a stunning choice for espresso — its delicate notes of brown sugar, lemongrass, and lime come alive under pressure in a way that will genuinely surprise you.
Drip Coffee — Medium Grind
Drip coffee makers work best with a medium grind, allowing optimal extraction and balanced flavor. These methods use little pressure and take a few minutes to brew, with water flowing naturally through the grounds — making medium grind the perfect match.
This is the sweet spot for most home coffee drinkers — balanced, approachable, and consistently delicious.
This is exactly why our ground coffee is pre-ground for drip brewing. When you order Castillo ground or Geisha ground, it arrives ready to go straight into your drip machine — no grinder needed. It's the most convenient way to enjoy Crezia's SCA-certified specialty coffee every morning.
A Note on Whole Bean vs. Pre-Ground
If you brew with a French press or espresso machine, we strongly recommend ordering whole bean and grinding at home — this gives you full control over your grind size and ensures the freshest possible cup. For drip coffee lovers, our pre-ground option is perfectly calibrated and ready to brew right out of the bag.
Quick Reference Guide
French Press — Coarse — Sea salt texture
Drip Coffee — Medium — Regular sand texture
Espresso — Fine — Table salt texture
Ready to Brew?
Now that you know your grind, it's time to taste the difference that single-origin Colombian specialty coffee makes. Explore our full range at creziacoffee.com.
