Ruby Coffee Roasters

Colombia Jose Uribe Lasso

colombia medium-light roast natural pink_bourbon
pomegranatestrawberrycreme bruleeorange blossom

Natural processing is uncommon for Colombian specialty coffee — washed dominates the Colombian market at roughly four times the rate of natural lots. Finca El Diviso is working against that convention deliberately, and the chemistry of that choice is central to understanding this cup. In sundried natural processing, whole cherries are dried intact on raised beds or patios. The fruit pulp remains in contact with the seed throughout drying, and the sugars and organic compounds in the cherry's fruit layer slowly penetrate the bean. This is the mechanism behind the pomegranate and strawberry character: volatile esters from the fermenting fruit layer that wouldn't form during standard washed processing, where the fruit is removed on harvest day. The orange blossom note traces to floral volatile compounds — in Pink Bourbon, these have a genetic basis that the variety accumulates during growing, but natural drying amplifies them by adding fermentation-derived aromatics to the base. Pink Bourbon at 1,750 meters in Huila already has a concentrated acid and volatile precursor profile from its growing conditions. Natural processing layers fermentation-derived esters on top. The crème brûlée note is the point where those two systems meet: caramelization products from the fruit layer's sugars during drying, combined with Maillard compounds from the roast itself — melanoidins and caramel products that the brain registers as sweet, not residual sugar, which roasting consumes nearly entirely. Medium-light roast is calibrated to let the natural's fruit character survive development. Naturals carry more volatile fermentation compounds than washed lots, and these are among the first aromatics lost to heat. Pulling at medium-light preserves enough of them while still developing body. For extraction, natural Pink Bourbon can read sweeter and denser than its washed equivalent. The [processing method](/blog/coffee-processing-methods-explained) adds soluble material beyond what washed lots at the same altitude would produce.
Chemex 6-Cup 90/100
Grind: 545μm Temp: 91°C Ratio: 1:15.3-1:16.3 Time: 3:30-4:30

The Chemex earns the top match score for this bean because the thick paper filter and the natural Pink Bourbon are working in complementary directions. Natural processing loads the bean with fermentation-derived fruit aromatics — the pomegranate and strawberry character that sits early in the extraction order alongside the fruity acids. The Chemex's 20-30% thicker filter than standard paper slows flow, extends contact time, and strips oils and fines while clarifying those fruit aromatics into their cleanest expression. Temperature is dialed to 91°C — 3°C below default — to protect the light roast's delicate aromatics. Medium-light Pink Bourbon at 1,750m produces concentrated flavor at this altitude; the Chemex's slow, clarifying filtration lets the crème brûlée sweetness and floral orange blossom resolve without the interference of oils or sediment.

Troubleshooting
sour: Grind finer by ~22μm and increase temp by 1°C. Natural Pink Bourbon carries a high load of fruity acids that extract early — if you're only pulling those, the pomegranate character tips toward raw tartness. Finer grind increases surface area to pull the caramel and sweetness compounds through.
thin: Increase dose by 1g or decrease water by 15g; alternatively try a metal filter. Medium-light natural Coffee at 1:15.3-16.3 runs lean by design to keep clarity — if your water is soft or beans are a few weeks past roast, bump dose first before adjusting water.
Hario V60-02 89/100
Grind: 495μm Temp: 91°C Ratio: 1:15.3-1:16.3 Time: 2:30-3:30

The V60 at 91°C and 495μm is built to highlight what natural Pink Bourbon does best: vibrant fruit aromatics and the orange blossom character that the variety expresses at high altitude. The conical design and single spiral rib create fast, turbulent drawdown that emphasizes brightness — ideal for a coffee whose fermentation-derived fruit character is in the early extraction fractions. The paper filter eliminates the insoluble oils that natural processing puts into the bean, ensuring the pomegranate and strawberry read as clean fruit rather than muddied by lipid interference. At 1,750m in Huila, this Pink Bourbon has concentrated acid and aromatic profiles; the V60's flow dynamics pull those forward while the 91°C temperature avoids over-extracting the light roast's more soluble bitter compounds.

Troubleshooting
sour: Grind finer by ~22μm and increase temp by 1°C. Natural Pink Bourbon's fruit acids are highly mobile — a V60 that runs too fast pulls them first and stops there. Closing the grind slows drawdown and allows the crème brûlée sweetness zone to extract fully.
thin: Increase dose by 1g or decrease water by 15g. The 1:15.3-16.3 ratio is intentionally lean at medium-light roast to preserve clarity. If the cup lacks presence, a slightly stronger ratio holds the fruit character together without sacrificing the V60's characteristic brightness.
Kalita Wave 185 88/100
Grind: 525μm Temp: 91°C Ratio: 1:16.3-1:17.3 Time: 3:00-4:00

The Kalita Wave's flat-bottom bed and three small drainage holes create a slower, more even extraction than a V60 at equivalent grind size — which works well here because natural Pink Bourbon's complexity benefits from consistent contact time across the full puck. Where the V60 might rush the lighter fractions through, the Kalita's design allows the wave-shaped filter to maintain even saturation. The 525μm grind is 10μm coarser than the V60 recommendation to account for this extended contact, and 91°C matches the other pourover methods for this medium-light roast. The paper filter still removes the natural's oils, keeping the pomegranate and strawberry aromatics clear. The flat bed particularly helps this bean because uniform extraction minimizes the risk of channeling through the denser natural-processed particles.

Troubleshooting
sour: Grind finer by ~22μm and increase temp by 1°C. The Kalita's flat bed means if fines create an uneven surface, water channels around denser particles, pulling acids unevenly. Closing the grind tightens the particle distribution and raises the extraction floor.
thin: Increase dose by 1g or decrease water by 15g. Natural Pink Bourbon at medium-light has moderate solubility — the slightly looser ratio (1:16.3-17.3) keeps clarity but needs adequate dose to maintain body. Don't skip the bloom step; it's critical for even saturation of natural-processed beans.
AeroPress 84/100
Grind: 395μm Temp: 82°C Ratio: 1:12.3-1:13.3 Time: 1:00-2:00

AeroPress at 82°C is a meaningful drop from the pour-over methods, and that temperature choice is deliberate for natural Pink Bourbon at medium-light. The lower temperature slows extraction of the bitter compounds that light roasts produce when over-extracted, while the higher concentration at 1:12.3-13.3 ratio means you're pulling more dissolved solids overall from less water. Natural processing adds soluble material — fermentation-derived esters — that pushes this bean slightly sweeter and denser than a washed Pink Bourbon would behave at the same parameters. The short brew window (1-2 minutes) and paper filter together create a concentrated cup that emphasizes the strawberry and crème brûlée notes in a smaller, more intense format. The 395μm grind is finer than pour-over to compensate for the lower temperature.

Troubleshooting
sour: Grind finer by ~22μm and increase temp by 1°C. At 82°C, extraction is already conservative for this medium-light natural — if fermentation-derived acids dominate, push temperature toward 83°C before adjusting grind. Both levers work; temperature has the gentler, more predictable effect.
strong: Decrease dose by 1g or increase water by 15g. The 1:12.3 ratio is intentionally concentrated for AeroPress-style drinking. Natural Pink Bourbon adds sweetness that can read as intensity — if the cup feels overwhelming, dilute ratio first before chasing other variables.
Clever Dripper 84/100
Grind: 525μm Temp: 91°C Ratio: 1:15.3-1:16.3 Time: 3:00-4:00

The Clever Dripper's immersion mechanism changes the extraction dynamic for natural Pink Bourbon compared to the pour-over methods. Rather than water flowing continuously through the bed, grounds steep fully submerged before the valve opens. This immersion phase means all particles have equal access to water throughout the brew window, which benefits a natural-processed bean with variable particle density — the dried fruit mucilage can create denser particles that resist percolation but surrender their compounds readily in immersion. At 91°C and 525μm, the parameters match the Kalita Wave, but the 3-4 minute steep means the crème brûlée sweetness and floral aromatics have more time to dissolve fully. Paper filtration keeps the fruit clarity that this Pink Bourbon's origin and processing combination delivers.

Troubleshooting
sour: Grind finer by ~22μm and increase temp by 1°C. In the Clever's immersion phase, coarser natural-processed particles can under-extract if steep time is also short. Try extending steep to the full 4 minutes before adjusting grind, then close the grind if acidity persists.
strong: Decrease dose by 1g or increase water by 15g. Immersion extracts more efficiently than percolation for dense natural-processed beans — the extended contact time can push TDS higher than pour-over at the same ratio. Pull the valve at the lower end of the 3-minute window if strength is consistently high.
Espresso 75/100
Grind: 245μm Temp: 90°C Ratio: 1:1.3-1:2.3 Time: 0:25-0:30

Espresso at 75/100 reflects the tension between what this natural Pink Bourbon offers and what espresso amplifies. At 9 bar pressure, the pomegranate and strawberry fruit character from natural processing becomes intense and fruit-forward — which can read as bright and complex or sharp and overwhelming depending on extraction precision. Temperature is 90°C (1°C cooler than the pour-over methods) and grind is 245μm; the -3°C from default is critical because light-roast naturals are particularly prone to sourness under pressure when the fruity acids extract ahead of the balancing sweetness. The crème brûlée character can emerge beautifully as espresso's concentration works in its favor, but this bean's medium-light roast and natural processing demand careful dialing — the window between underextracted sour and correctly extracted sweet-fruity is narrow.

Troubleshooting
sour: Grind finer by ~10μm and increase temp by 1°C. Natural Pink Bourbon's fermentation acids are the first compounds through at 9 bar — if the shot is channeling or running too fast, you're pulling acid without fruit sweetness. Check puck prep before adjusting grind.
strong: Decrease dose by 1g or increase output water by 15g toward a longer ratio. At medium-light roast, this natural has moderate solubility — if the shot is running concentrated and sharp, a slightly longer yield pulls more sweetness before the fruity acids overwhelm.
Moka Pot 66/100
Grind: 345μm Temp: 97°C Ratio: 1:9.3-1:10.3 Time: 4:00-5:00

Moka pot earns 66/100 because its metal basket and steam-pressure mechanism conflict with what this bean does best. The natural Pink Bourbon's delicate fermentation-derived aromatics — the orange blossom and pomegranate — are fragile compounds that can degrade under the higher thermal stress of moka pot brewing, which can reach 97°C effective temperature in the grounds. The metal basket passes all oils through, which adds body but at medium-light roast the oils are not particularly heavy; instead they bring along any processing-derived compounds that paper filtration would normally remove. At 345μm (coarser than espresso but much finer than pour-over), the brew produces a concentrated cup where the strawberry and crème brûlée notes can survive if you use pre-boiled water and remove at first sputter, but the delicate floral components are the first casualties of this method's thermal demands.

Troubleshooting
sour: Grind finer by ~22μm and increase temperature by 1°C of boiling-water preheat. This medium-light natural extracts its acids quickly in moka pot's pressurized steam — using pre-boiled water in the base (not cold) reduces the steam phase where grounds cook without extracting evenly.
strong: Decrease dose by 1g or add slightly more water to the base chamber. Natural Pink Bourbon at moka pot concentration amplifies all fermentation-derived compounds — the pomegranate can turn jammy and sweet-bitter if too concentrated. Remove from heat immediately at first sputter.
French Press 63/100
Grind: 995μm Temp: 93°C Ratio: 1:14.3-1:15.3 Time: 4:00-8:00

French press scores 63/100 because immersion with metal filtration is a poor match for what makes this natural Pink Bourbon distinctive. The metal mesh passes all oils and fines, which in a natural-processed coffee means fermentation-derived compounds that paper filtration normally clarifies end up in the cup — floral and fruit notes read muddier rather than clean. At 93°C and 995μm coarse grind, the steep time (4-8 minutes) extracts the fruit character but without the ability to separate clean aromatics from the heavier lipid-bound compounds. The Hoffmann recommendation to wait 5-8 additional minutes after pressing for grounds to settle applies here too — the extended settling period improves clarity. Medium-light Pink Bourbon benefits from the 93°C temperature (2°C warmer than pour-overs) to extract adequately given the coarse grind and immersion format.

Troubleshooting
strong: Decrease dose by 1g or increase water by 15g. French press at 1:14.3-15.3 is already lean for immersion, but natural-processed beans release more soluble material than washed equivalents. If the fermentation-derived sweetness is reading as dense or cloying, extend the ratio slightly.
sour: Grind finer by ~22μm and increase temp by 1°C. At coarse grind and immersion, light-roast natural Pink Bourbon can sit in the fruity-acid extraction zone for the full steep without progressing to the sweetness compounds. Closing the grind accelerates the extraction progression.
Cold Brew Flash Brew Recommended

Cold brew is not recommended for this bean. At near-freezing temperatures, cold water cannot extract the complex acids, delicate aromatics, and bright fruit compounds that define a light-roasted coffee — they remain locked in the cell matrix. For a cold version of this coffee, use flash brew: brew a concentrated pour-over (V60 or Chemex at 60% of the normal water volume) directly over ice in the server. The hot water extracts the full flavor spectrum, and the rapid ice cooling locks in volatiles that would otherwise evaporate during a slow cool-down.