Metric · Seismic

Sun, Aug 16, 2026, 2:06 PM (Shot 133)

DoppioVery FastShortDay 26 · Peak window

Shot

Grind Setting38

Dose18.9g

Grinder Retention0g

Adjusted dose 18.9g

WDT UsedYes

Distribution ToolYes

Spring Weight30 lbs

Pre-infusion7s

FlowVery fast

Shot Time17s

Stopped at29.0g (+8g drip)

Yield37g

Ratio 1:1.962.18 g/sVery FastShort

Target

Espresso

Aiming for Espresso (37.8g, 25–30s) — yield on target, ran fast.

Taste

Balance

SourSourBitter

Shot Rating

★★★★★

Notes

Flow was very fast from the beginning across both spouts. Taste was sour given the under extraction. Still good taste overall. First shot pulled with Tiago

Drink

DrinkFlat White

Milkwhole

Milk Quantity80ml

Foam10ml

Overall Rating

★★★★★

Latte Art

Pollock

Taste is good with a clear strong coffee flavor. Some of the bright notes of the under extraction remain but very enjoyable still. Milk frothing was great but pouring was not. No latte art.

Analysis

✦

AI Analysis

Needs Work

Summary

Shot 1 on the Metric Seismic — 17s, balance 2, ratio 1.96 (Short). Flow was fast and bilateral from the start, taste sour but with underlying quality. This is a clean baseline read: grind 38 is too coarse for this bean, and the even bilateral flow confirms no channeling. Grind is the sole variable to address.

What the Numbers Say

Time is Very Fast at 17s — well below the Normal floor of 25s. Ratio landed Short at 1.96, just under the Normal range. Balance 2 (Sour) matches what you'd expect from under-extraction at this speed. Notes confirm the taste: sour, but underlying quality still there — that's consistent with a grinds-too-coarse problem, not puck prep. Even bilateral fast flow is the diagnostic signature of a grind fix needed, not distribution. No issues to flag on technique.

The One Thing to Change

Drop grind from 38 to 33–34.

Bilateral fast flow from the start with no channeling means resistance is simply too low. A 4–5 click drop is the right move to bring time into the 25–35s Normal range. 33 is a reasonable target given this is a light washed blend with expected density — you can land at 34 first and go finer if still fast.

Bean Context

Seismic is a light washed blend with mandarin, tamarind, and buttercream notes — inherently bright and lively. At 26 days off roast it's well into its peak window for a light roast (peak roughly 14–42 days), so freshness isn't a factor here. The sour read is purely a grind/extraction issue, not bean character expressing itself. Once time lands in the 25–35s range, expect the brightness to show as a feature rather than a flaw.

Progress

First shot with Tiago — nice that the flow was clean and even. That's a good sign for puck prep consistency carrying over.

Cached · Aug 16

Bean

RoasterMetric

BeanSeismic

Days Since Roast26 days — Peak window

Roast Date2026-07-21