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Brewing Basics

Brewing stellar coffee at home shouldn’t be mysterious. We tend to favor old-school, manual brewers like the French press and the single-cup dripper ourselves. But you can improve your brews no matter the method with some of these coffee basics.
Fresh CoffeeBuy whole beans only and buy less more often. In general, brew within 2-30 days of the roast date and 7-10 days of opening the bag.
Burr GrinderCoffee grinders come in two varieties: blade and burr. Blade grinders haphazardly chop your coffee into various sizes, while burr grinders cut it to a relatively consistent size, producing a grind more capable of yielding even, delicious extractions.
Filtered Water Water that tastes or smells off (e.g., chlorine, sulfur, iron) will inevitably produce off notes in your brew. Distilled water won’t yield a full extraction. Use filtered tap or spring water.


Brewing Rules of Thumb
FilterChoose a clean filter that will not impart taints. Metal filters tend to retain funk and detergent taints; they need extra-mild soap, hot water, and elbow grease before use. Paper filters yield paper notes; these need a thorough rinsing with hot water.
TemperatureCoffee should be brewed right around 200°F. Use a calibrated thermometer here for accuracy. Be sure to pre-heat your brewing equipment with hot water; this enables you to brew without exaggerated heat loss through initial contact with room-temp ceramic, glass, coffee grounds, etc. If you don’t use a thermometer, use water right off the boil to brew close to 200°F.
DoseJust under 2 g of coffee for every ounce of water (e.g., shoot for 13-16 g per 8 oz cup). If you use and love a gram scale, try 1 g of coffee to 15-16 g of water, using the scale to weigh your coffee dose, then taring it to weigh your water dose (e.g., 20 g of coffee to 300 g of water).
TimeDepends on brewing method. Plunge presses around 4 minutes while drippers drip between 2-3 minutes. See tips by method. We have no idea how long a percolator does what it does.
GrindUse a burr grinder to select a grind/particle size appropriate for your brew method. Grind just before brewing. In general, coarser grinds correlate with longer extraction times as with French press and Eva Solo brews. Medium to finer grinds correlate with slightly shorter extraction times as with drippers and Aeropress brews. Experiment. Dial in to balance sweetness, flavor clarity, and body without over-extracting and introducing bitterness and astringency.
If you’re still struggling, we’ll send you a grind sample with your bean purchase to help you get closer to dialing in your burr grinder for your brew method. Just ask us.