Methodical Coffee

Guatemala, La Colmenita

guatemala medium roast washed caturra, bourbon
chocolateplumblack tea

Two deviations define La Colmenita: 2,000 meters — above Guatemala's typical specialty ceiling of 1,650–1,800m — and a medium roast, where most Guatemalan lots are taken light. Understanding what each does to the cup separately makes the combination click. At 2,000 meters, cherry maturation pushes toward the 9–11 month range versus the 6–8 months typical at lower elevations. That extended maturation time increases accumulation of sugars, acids, and the aldehyde precursors that contribute sweet-caramel-fruity character. A 2024 study on altitude-dependent volatile compounds identified 11 VOCs that shift significantly with elevation: pyrazines (nutty, roasted) decrease while aldehydes (sweet, caramel, fruity) increase. At 2,000m, you're at the upper end of the quality sweet spot before diminishing returns set in above roughly 2,000m at these latitudes. The medium roast works with this material in a specific way. Light roasting would preserve the altitude-driven acid brightness and floral volatiles — but medium roasting pushes CGA decomposition further, reducing chlorogenic acid lactones (the primary bitterness source at light-to-medium roasts) and accelerating melanoidin formation. Melanoidins, at 10–18% of roasted coffee dry weight, build the body and mouthfeel that express as the chocolate note. The plum character survives: malic acid degrades more slowly than CGAs through medium development, so stone-fruit-adjacent acidity persists while harsh acidity retreats. The black tea note is structural — the polyphenol profile from high-altitude washed material, combined with the tannin-adjacent character of medium-roast extraction sitting near the back of the curve. It's a terroir signal, not a processing artifact: [washed processing](/blog/coffee-processing-methods-explained) at altitude strips away fruit variables and lets the bean's own chemistry lead.
AeroPress 88/100
Grind: 370μm Temp: 83°C Ratio: 1:12.5-1:13.5 Time: 1:00-2:00

The AeroPress scores highest here (88/100) for a reason rooted in extraction mechanics: the combination of full immersion, gentle pressure, and a paper filter gives you more variables to tune for a washed medium-roast from 2,000m than any pourover can. The recipe calls for 83°C — a full 12-17°C below the standard pourover range. For medium-roast material, that lower temperature slows CGA extraction enough to let the sweet-caramel and malic-acid plum notes dominate before the bitter bitter compounds enter the curve. The 370μm grind, 30μm finer than default, compensates for the density of these high-altitude Caturra/Bourbon beans, ensuring adequate surface area contact in the short 1:00-2:00 brew window. The 1:12.5-13.5 ratio delivers concentrated TDS (around 1.3-1.5%) that amplifies the chocolate depth and black tea astringency in a way the more dilute pourover ratios soften.

Troubleshooting
sour: Grind 22μm finer and raise temp 1°C. At 83°C the AeroPress already runs cool to protect La Colmenita's balance — if sour notes dominate, grind is too coarse for this high-density 2,000m bean. Finer grind at the AeroPress's short brew time drives extraction past the acid phase into caramelization compounds.
thin: Increase dose by 1g or reduce water by 15g, or switch to a metal filter. The AeroPress paper filter removes oils that contribute body — for this washed medium-roast, a metal filter disk recovers the cafestol-free oils and micro-fines that build the chocolate-depth mouthfeel. More dose also works if flavor intensity (not just body) is the goal.
Clever Dripper 88/100
Grind: 500μm Temp: 92°C Ratio: 1:15.5-1:16.5 Time: 3:00-4:00

The Clever Dripper matches AeroPress at 88/100 and for a closely related reason: full immersion extraction in contact with a paper filter gives you control over both the body contribution (through immersion) and the clarity of the final cup (through paper filtration). For La Colmenita's washed medium-roast profile — where the character is built on clean malic acidity, medium melanoidin body, and the polyphenol-derived black tea finish — this combination is close to ideal. The grind at 500μm is 30μm finer than default for the same altitude-density reason as the pourovers, but the Clever's immersion phase means that finer grind works over a longer contact time (3-4 minutes at 92°C) before the valve opens. Unlike the AeroPress, the Clever operates without pressure — no bypass technique needed. The plum and black tea notes translate particularly cleanly because the paper filter removes the fines that would otherwise make those tannin-adjacent flavors gritty.

Troubleshooting
sour: Grind 22μm finer and raise temp 1°C. The Clever's immersion phase is already longer than pourover, so sourness from La Colmenita points to grind being too coarse for the density of these 2,000m beans. Finer grind extends effective surface area extraction during the steep before the valve opens.
thin: Add 1g dose or reduce water by 15g. The Clever's paper filter traps the oils that immersion brews normally pass — for this washed medium-roast, thinness is the most common outcome at the 1:16 ratio if grind is slightly open. More dose or a metal-compatible filter adapter recovers strength.
Hario V60-02 87/100
Grind: 470μm Temp: 92°C Ratio: 1:15.5-1:16.5 Time: 2:30-3:30

The 87/100 match reflects a genuine compatibility, but with a meaningful caveat: 2,000m altitude produces denser-than-average Guatemalan beans, and the V60's fast-draining geometry puts the work of extraction control squarely on your pour technique. The -30μm grind delta to 470μm (from the standard 500μm) directly addresses that density — finer grind compensates for the higher-solubility threshold these altitude-driven beans require to hit 18-22% extraction yield in the V60's relatively short contact window. The -2°C temperature adjustment to 92°C keeps the extraction from overshooting into bitter bitter compounds territory, since this washed medium roast has had its CGAs partially degraded but still retains enough malic acid-based acidity to turn sharp if water is too hot. The result preserves La Colmenita's plum-malic acidity and black tea structural character in the cup.

Troubleshooting
sour: Grind 22μm finer and raise temp 1°C. La Colmenita's 2,000m-grown beans are denser than typical Guatemalan lots — sourness in the V60 means the fast draindown pulled mainly fruit acids before caramelization compounds extracted. Finer grind extends effective contact time to complete the extraction curve.
thin: Add 1g dose or reduce water by 15g. At 92°C with a washed medium-roast, TDS can run low if the pour is too fast for the 470μm grind. A metal filter would also pass micro-fines and oils that the V60's paper traps, adding body to this otherwise clean cup.
Kalita Wave 185 87/100
Grind: 500μm Temp: 92°C Ratio: 1:16.5-1:17.5 Time: 3:00-4:00

The Kalita Wave's flat-bottom geometry distributes water evenly across the entire puck and the three small holes regulate flow more consistently than the V60 — which is why it scores identically (87/100) to the V60 here despite being more forgiving of technique variation. For La Colmenita's denser-than-average 2,000m beans, that even saturation matters: tall, narrow pour-overs can channel around high-density grounds when the pour is imprecise, but the Wave's flat bed ensures uniform wetting. The grind at 500μm is 30μm finer than the default, addressing the same density-compensation logic as the V60 recipe. The slightly higher ratio at 1:17 (vs V60's 1:16) reflects the Wave's consistent flow rate holding extraction yield steady while adjusting strength. At 92°C, the CGA-degradation balance is the same as other pourover methods for this roast level.

Troubleshooting
sour: Grind 22μm finer and raise temp 1°C. The Kalita Wave's consistent flat-bed extraction normally prevents channeling, so sourness here points to grind being too coarse for La Colmenita's high-altitude density. Finer grind increases surface area, pulling extraction past the citric/malic acid zone into the caramelization compounds.
thin: Add 1g dose or reduce water by 15g. The Wave's even flow can produce low TDS if grind is slightly open for this washed medium-roast. More dose immediately raises concentration. A metal filter will also allow the fines and oils the paper traps to pass through, adding the body this 2,000m bean is capable of.
Chemex 6-Cup 85/100
Grind: 520μm Temp: 92°C Ratio: 1:15.5-1:16.5 Time: 3:30-4:30

The 85/100 match makes La Colmenita one of the better Guatemalan lots for the Chemex — not the highest-scoring brewer here, but a legitimate pairing. The 20-30% thicker Chemex filter strips all cafestol and oils, which for a washed medium-roast is almost entirely a feature: there are no mucilage-derived fruit oils to preserve (unlike a natural), so what you lose is only the fines-related body. What remains is the water-soluble character — the malic-acidity plum note, the polyphenol-driven black tea finish, and the melanoidin-built chocolate base — clarified to its clearest expression. The grind at 520μm is 30μm finer than default to compensate for light-medium solubility and the slower drawdown the thick paper creates. At 92°C the extraction pace is controlled; the thin score (40) is the primary risk here because the aggressive filtration removes the micro-fines that would otherwise contribute body.

Troubleshooting
thin: Add 1g coffee or reduce water by 15g. The Chemex's thick paper removes oils and fines that normally contribute body — for this washed Guatemalan, that filtration is particularly aggressive. More dose raises dissolved solids without altering the extraction chemistry. A metal Able Kone would recover body if thinness persists.
sour: Grind 22μm finer and raise temp 1°C. Sourness in the Chemex from a 2,000m washed bean typically means the long drawdown slowed without fully extracting past the acid-dominant phase. Finer grind at 520μm pushes extraction into the caramelization zone where the chocolate and plum notes balance the acidity.
Espresso 85/100
Grind: 220μm Temp: 91°C Ratio: 1:1.5-1:2.5 Time: 0:25-0:30

Espresso scores 85/100 for La Colmenita — not the first recommendation, but a genuine use case given this bean's profile. The key parameter shift is -30μm grind to 220μm (from 250μm default), driven by the altitude-density rule: these 2,000m Caturra/Bourbon beans are denser than typical Guatemalan lots, meaning standard espresso grind would under-extract — sourness from the fruit acids would dominate at 9 bar pressure before the caramelization compounds extract into the shot. The -2°C to 91°C keeps the temperature in the range where medium-roast CGAs have degraded enough to avoid harsh bitterness but malic acidity remains to give brightness to the chocolate and plum concentration espresso produces. At 1:2 ratio (19g in / 38g out), the chocolate note amplifies considerably in concentrated form, and the black tea polyphenol finish reads as clean bittersweetness in the crema.

Troubleshooting
sour: Grind 10μm finer and raise temp 1°C. La Colmenita's 2,000m density means standard espresso grind may under-extract — sourness at 9 bar indicates the shot is pulling mainly citric and malic acids from these high-altitude Caturra/Bourbon beans before reaching the caramelization compounds. Small grind adjustments matter at espresso's fine range.
bitter: Grind 10μm coarser and lower temp 1°C. Medium roast at espresso's high-pressure concentration amplifies dry-distillate bitterness when over-extracted. A 10μm adjustment at espresso grind sizes has significant impact — enough to shift the shot from over- to properly extracted for this washed Guatemalan.
Moka Pot 83/100
Grind: 320μm Temp: 98°C Ratio: 1:9.5-1:10.5 Time: 4:00-5:00

Moka Pot scores 83/100 — higher than both French Press (82) and Cold Brew (78), reflecting that its pressure-driven extraction has a moderate compatibility with this washed medium-roast. The moka pot operates at roughly 1.5 bar (versus espresso's 9 bar), and that pressure is just enough to force water through a fine grind rapidly without the controlled dwell time of espresso or the adjustable contact time of immersion methods. The result is extraction that is inherently less even, which matters for a bean where the balance between malic-acid plum brightness and melanoidin-built chocolate body is the defining quality. The recipe sets grind at 320μm (30μm finer than default) and temperature at 98°C — the moka pot's near-boiling water is necessary for its pressure mechanics, and starting with pre-boiled water per Hoffmann's method avoids the transition phase of heating that can scorch the grounds. The sour risk score (40) is the highest warning here: at this grind, any inconsistency in heat application will under-extract.

Troubleshooting
sour: Grind 22μm finer and ensure pre-boiled water is used in the base. Sourness in the moka pot from La Colmenita almost always means under-extraction — the malic and citric acids from these 2,000m washed beans extracted before the caramelization compounds followed. Pre-boiled water prevents the heating phase from drawing only the acid-dominant early extraction.
strong: Reduce dose by 1g or increase water by 15g. The moka pot's 1:10 ratio produces concentrated brew — at this density of grind for a medium-roast Guatemalan, TDS can run high. Less dose opens the ratio slightly toward 1:11, which still preserves the chocolate character without the astringency that comes from over-concentration.
French Press 82/100
Grind: 970μm Temp: 94°C Ratio: 1:14.5-1:15.5 Time: 4:00-8:00

French Press scores 82/100 for La Colmenita — lower than the immersion-with-filter AeroPress and all the pourovers — because the combination of metal mesh filtration and immersion extraction creates a specific tension with this bean's character. The upside: no paper filter means the oils and micro-fines that build body pass freely into the cup, and La Colmenita's medium-roast melanoidin content gives the French Press something substantial to work with. The downside: immersion without agitation and a very coarse 970μm grind (30μm finer than default, still coarse) means extraction evenness is harder to achieve, and uneven extraction produces a cup that's simultaneously sour and bitter — the exact outcome to avoid when this bean's character hinges on the balance between malic acidity and chocolate body. At 94°C, the temperature is slightly elevated to compensate for the coarser grind and promote fuller extraction across the extended 4-8 minute steep.

Troubleshooting
sour: Grind 22μm finer and raise temp 1°C. In a French Press, sourness from La Colmenita typically means the steep time was too short or the grind too coarse — the malic and citric acids extracted while the caramelization compounds from this medium roast's melanoidin base lagged. Finer grind and longer steep pulls the chocolate balance through.
strong: Reduce dose by 1g or increase water by 15g. French Press at 1:15 with a medium-roast Guatemalan can run heavy on TDS — the metal mesh passes micro-fines that pourovers trap, adding dissolved solids. Less coffee or more water brings concentration into range without changing extraction chemistry.
Cold Brew 78/100
Grind: 870μm Temp: 2°C Ratio: 1:6.5-1:7.5 Time: 720:00-1080:00

Cold Brew's 78/100 score is the lowest among all nine brewers for La Colmenita — and the extraction science explains why directly. Cold water (2°C here) produces 28-50% fewer total acids by titratable acidity than hot brew, which for most beans means a smoother, sweeter result. But La Colmenita's defining character — the interplay of malic-acid plum brightness, the polyphenol-derived black tea finish, and the melanoidin chocolate base — relies on acid clarity that cold extraction suppresses. Cold water also extracts fewer melanoidins (poorly soluble at low temperatures), stripping the body that makes the medium-roast chocolate note register as substantive rather than thin. The recipe compensates with a 1:7 ratio (80g / 560g), which is more concentrated than RTD ratios, and a grind of 870μm (30μm finer than default) to push extraction despite the density of these high-altitude beans. What you get is a smoother, less characteristic version of La Colmenita — the flat score (40) is the primary risk.

Troubleshooting
flat: Grind 22μm finer and raise temp to 4°C, or ensure beans are fresh. Cold brew from La Colmenita tastes flat when the malic-acid plum brightness and melanoidin body that define this bean are both suppressed — finer grind at cold temperatures increases surface area to drive extraction of the compounds cold water resists pulling.
thin: Add 5g more coffee or reduce water by 40g. At 1:7, cold brew from this washed medium-roast Guatemalan should have enough body, but melanoidins extract poorly in cold water — if the cup lacks weight, concentrate the ratio further toward 1:6 before diluting to taste.