Five Elephant

Finca Majahual, El Salvador, Three Process Tasting Set – Filter

el salvador light roast washed red_bourbon
earl greyred appleblood orangewhite grapeblueberry compotehazelnutred grapedatestangerine

Eight hundred meters is not where specialty El Salvador coffee grows. The typical range is 1,500-1,615m — this farm sits 700m below the baseline. That altitude gap is not a minor footnote; it's the central fact about what's in the cup and why the three-process approach exists. At 800m, cherry maturation runs faster. Cooler temperatures slow development and allow sugar, acid, and volatile precursor accumulation in the seed — altitude explains roughly 25% of extraction yield variation. At 800m in El Salvador's subtropical latitude, those conditions don't apply in the same way. The bean has less of the natural density and soluble concentration that altitude-grown coffee carries. The answer, from a farm-level perspective, is to use processing to build complexity the altitude doesn't. That's what the three processes do. Washed processing expresses what the Red Bourbon variety and this terroir contribute directly — the earl grey, white grape, and tangerine notes that emerge when fruit influence is removed. Natural processing adds fermentation-derived esters: blueberry compote and red grape come from volatile ester accumulation during whole-cherry drying. The 48-hour anaerobic fermentation is the most transformative — sealed, oxygen-free fermentation shifts microbial activity toward lactic acid bacteria and ester-producing yeasts, producing the dates and darker fruit character that doesn't form in open-air drying. The hazelnut note comes from Strecker degradation of leucine and valine during roasting, producing methylpropanal and methylbutanal — Maillard compounds that appear across all three processing methods. Blood orange maps to the interplay of citric acid (bright, citrus) and phosphoric acid (mellows citrus toward cola), both present regardless of processing. As a tasting set from a single farm and harvest, the three lots isolate the processing variable. The [processing methods explained](/blog/coffee-processing-methods-explained) by each approach are directly comparable here in a way that cross-origin comparisons can't achieve.
Chemex 6-Cup 96/100
Grind: 525μm Temp: 94°C Ratio: 1:15.0-1:16.0 Time: 3:30-4:30

Chemex earns the top score of 96 for this washed light El Salvador because the brewer's core mechanism — a 20–30% thicker bonded paper filter compared to a standard V60 — does exactly what this processing combination needs. The washed lot's earl grey, white grape, and tangerine character lives entirely in its clean acid-and-aroma register; any residual oils would muddy that clarity. The 525μm grind is coarser than the V60 recipe to compensate for the Chemex's slower drawdown, while still carrying the -25μm light-roast penalty. At 1:15.5 ratio and 94°C, the longer brew time (target 3:30–4:30) allows the slower-extracting roast-developed sweet compounds — hazelnut from roast-developed roast-developed malty compounds and methylbutanal — to dissolve fully through the dense filter without shortchanging the fast-extracting blood orange citric acids. The result is the cleanest expression of the washed process available from this farm.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. The Chemex filter's high flow resistance can slow extraction enough that only acids clear before drawdown completes. At 800m altitude this light roast has reduced solubles — the filter slows the process further. Finer grind compensates.
thin: Add 1g dose or pull 15g less water; consider a metal pour-over filter swap. The Chemex's thick paper removes nearly all cafestol and oils — meaningful for a low-altitude bean with less dissolved mass. More coffee directly increases TDS; a metal filter reintroduces oils for body.
Hario V60-02 88/100
Grind: 475μm Temp: 94°C Ratio: 1:15.0-1:16.0 Time: 2:30-3:30

The V60 recipe lands at 475μm — 25μm below default. The grind is finer for light roast extraction, but pulled back slightly because this 800m farm produces a less dense bean than highland lots. Low-grown Red Bourbon has less density than highland coffees, so tightening the grind too aggressively risks channeling through a bed that won't compact evenly. The 1:15.5 ratio is slightly richer than the default 1:15, compensating for the coffee's lower solubility. At 94°C (the default V60 temperature — no adjustment needed for this bean), you're in the right range to fully extract the earl grey and white grape character without pushing into harsh over-extraction. The thin V60 paper passes enough oil to give tangerine brightness definition without filtering out the mouthfeel the low-altitude bean can contribute.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. At 800m this washed light roast has less soluble density than highland El Salvador — extraction stalls in the acid phase before the white grape and tangerine sweetness dissolves. Finer grind compensates for the reduced soluble concentration.
thin: Add 1g dose or pull 15g less water. Low altitude means less sugar and acid accumulation in the bean — there's less dissolved material available. Concentrating the ratio nudges TDS up; a metal filter swap will also add the oils the paper is stripping.
Kalita Wave 185 88/100
Grind: 505μm Temp: 94°C Ratio: 1:16.0-1:17.0 Time: 3:00-4:00

The Kalita Wave's flat-bottom geometry and three-hole drain create the most even water distribution of any gravity dripper, which matters for this 800m Red Bourbon. Low-altitude beans have less uniform density than highland lots — uneven water channeling would expose the extraction asymmetry Gagné identifies as producing cups that taste simultaneously sour and bitter. The flat bed equalizes contact time across all particles. The 505μm grind applies the same -25μm light-roast penalty as other pour-overs, and the pulse-pour technique (100g, then five 50g pulses) keeps the bed agitated through enough brew cycles to dissolve the roast-developed compounds — hazelnut, blood orange — that require extended contact time to clear. The 1:16.5 ratio is slightly leaner than V60 to account for the Kalita's characteristically fuller body from longer drawdown.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. The Kalita's flat bed reduces channeling but the low-altitude bean's uneven density can still stall extraction in the acid phase. Tighter grind closes gaps between particles and forces more uniform contact across the brew bed.
thin: Add 1g dose or pull 15g less water; a metal filter swap adds body. Finca Majahual at 800m simply has less accumulated sugar and acid than high-altitude El Salvador. The Kalita can't create solubles that aren't there — adjust ratio or switch to metal to add oil-based body.
AeroPress 82/100
Grind: 375μm Temp: 85°C Ratio: 1:12.0-1:13.0 Time: 1:00-2:00

The AeroPress recipe drops to 85°C — 25μm finer grind and lower temperature both push against the light roast's reduced solubility. The lower temperature is counterintuitive for a light roast, but the AeroPress compensates via pressure: the mechanical press forces water through the puck faster and with higher extraction efficiency than gravity alone, which changes the temperature-extraction relationship. The 1:12.5 ratio is richer than pour-over, concentrating the washed El Salvador's citrus and white grape notes into a shorter volume where they read more intensely. The fine 375μm grind means even at 85°C the bright fruit character develops fully before the plunge. For this low-altitude bean where soluble mass is the limiting variable, the AeroPress's shorter contact time at pressure is more efficient than extended gravity extraction at the same temperature.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. At 85°C the light roast's extraction rate is already conservative — if the plunge comes too early or grind is coarse, only the fast-extracting acids clear. Finer grind at 85°C achieves similar surface area to coarser grind at higher temperatures.
thin: Add 1g dose or pull 15g less water; a metal AeroPress filter reintroduces oils. The 800m altitude limits the bean's total soluble mass — the AeroPress's short steep time may not dissolve enough for adequate TDS at standard ratio. Increase dose first before adjusting brew time.
Clever Dripper 82/100
Grind: 505μm Temp: 94°C Ratio: 1:15.0-1:16.0 Time: 3:00-4:00

The Clever Dripper combines immersion contact time with a paper-filtered release — a hybrid that sits between French Press and pure pour-over for this washed light El Salvador. The 505μm grind carries the standard -25μm light-roast correction, and the 1:15.5 ratio is identical to the V60 recipe. What the Clever adds is dwell time: the sealed valve holds water in contact with the grounds for the full 3–4 minute brew window before draining, which extracts more flavor than a comparable pour-over from this low-altitude, low-solubility bean. The paper filter then removes the oils that immersion generates, preserving the washed processing's clean character. For a bean where soluble mass is the constraint, the Clever's extended contact time at 94°C is a meaningful advantage over the V60's gravity-dependent extraction.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. The Clever's immersion phase should be enough contact time for this light roast, but 800m altitude and low solubility mean the bean needs the full surface area. If sour persists, extend immersion by 30 seconds before draining.
thin: Add 1g dose or pull 15g less water; switch to metal insert for body. The paper filter removes the oils the immersion phase extracts — for a low-altitude bean with limited soluble mass, the Clever's oil-stripping can tip TDS below perception threshold. Dose is the primary lever.
Espresso 81/100
Grind: 225μm Temp: 93°C Ratio: 1:1.9-1:2.9 Time: 0:28-0:35

Espresso fires the light-roast rule, and the parameters show why: the ratio lands at 1:2.4 (19g in, 45g out) — longer than the typical Italian 1:2, and the recipe calls for preinfusion. Light-roast El Salvador at 800m is less soluble than darker-roasted or higher-altitude espresso beans; the finer 225μm grind maximizes surface area, and the longer output ratio gives more water time to dissolve the roast-developed sweet compounds before the shot completes. At 93°C, you're 1–2°C below typical espresso temperature — a direct compensation for the roast level, acknowledging that light roasts extract bitter compounds faster under 9-bar pressure than under gravity. The result concentrates the blood orange and tangerine bright acidity into an intensity that exploits espresso's TDS advantage. Expect a bright, fruit-forward shot rather than a traditional espresso profile.

Troubleshooting
sour: Grind finer by ~10μm and raise temp 1°C. Light-roast El Salvador under pressure extracts acids before caramels in the fast phase — a sour shot means the 225μm grind isn't fine enough for this bean's density. Small espresso adjustments are high-impact; move in 10μm increments.
thin: Add 1g dose. At 9 bar, ratio and grind are already optimized for the light roast — thin espresso from this bean typically means insufficient dose rather than extraction issues. The 800m altitude limits available solubles; more coffee is the direct fix.
Moka Pot 79/100
Grind: 325μm Temp: 100°C Ratio: 1:9.0-1:10.0 Time: 4:00-5:00

Moka Pot generates roughly 1.5 bar — far below espresso's 9 bar — which means the same fine-ish 325μm grind extracts differently here than in a portafilter. The recipe uses pre-boiled water at 100°C to prevent the lower chamber from cooking the grounds with rising steam during the heat-up phase, which is the most common source of bitterness in Moka Pot output. For this washed light El Salvador, the risk is the reverse: the coarser-than-espresso grind combined with low pressure may underextract the roast-developed sweet compounds (hazelnut, blood orange) that need more energy to dissolve. The -25μm light-roast grind adjustment addresses this by tightening the particle bed to compensate for lower pressure. The 1:9.5 ratio produces a concentrate with enough TDS to register the tangerine and white grape character, though it lacks the espresso's acidity-concentrating precision.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. Moka Pot's lower pressure can't force extraction through the light roast's dense cellular structure the way espresso does — acids extract before caramels. Tightening grind increases resistance and slows flow for more even extraction.
thin: Add 1g dose or pull 15g less water. At 1.5 bar the Moka Pot extracts fewer total solubles than espresso from the same light-roast coffee — the low-altitude bean's limited soluble mass amplifies this. More coffee is the most reliable fix.
strong: Decrease dose by 1g or increase water by 15g. At 800m with the Moka's concentrated ratio, the washed El Salvador's acids can stack to a sharp intensity. The Moka concentrates everything — dilute the ratio slightly rather than adjusting grind to preserve balance.
French Press 76/100
Grind: 975μm Temp: 96°C Ratio: 1:14.0-1:15.0 Time: 4:00-8:00

French Press scores 76 for this washed light El Salvador because the brewer's mechanism — full immersion without paper filtration — adds variables that work against the washed lot's key attribute: processing-derived clarity. A washed coffee's identity comes from clean processing so the variety and terroir read cleanly. French Press leaves oils and fine particles in the cup, layering textural noise over the earl grey and white grape character. The recipe runs 96°C (2°C above the pour-over recipes) to compensate for heat loss in an open vessel, and the 975μm grind is coarse enough to prevent sediment overextraction during the extended 4–8 minute steep. The lower score reflects a genuine mechanism mismatch: the washed process stripped fruit compounds to reveal terroir, and French Press reintroduces textural complexity that partially obscures that expression.

Troubleshooting
sour: Grind finer by ~22μm and raise temp 1°C. The extra-coarse French Press grind gives this low-solubility light roast less surface area than it needs — acids extract but the sweeter caramelization compounds lag behind. Finer grind (still coarser than pour-over) increases extraction without adding sediment.
thin: Add 1g dose or pull 15g less water. The low-altitude bean's reduced soluble mass means French Press immersion still struggles to build TDS. Unlike pour-overs, the unfiltered method already adds oil body — thin here means genuinely low dissolved solids, not just oil absence.
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.