Luckycat · Maomi Blend

Mon, May 25, 2026, 7:57 PM (Shot 15)

DoppioSlowShortDay 21 · Peak window

Shot

Grind Setting31

Dose17.5g

Grinder Retention0.7g

Adjusted dose 16.8g

WDT UsedYes

Distribution ToolYes

Spring Weight30 lbs

Pre-infusion4s

FlowDripping / Restricted

Shot Time40s

Stopped at28.5g (+6g drip)

Yield34.5g

Ratio 1:2.050.86 g/sSlowShort

Taste

Balance

SourBitterBitter

Shot Rating

★★★★★

Notes

Over extracted. Flow was difficult at first and started dripping rapidly at around 11 second, then after 10 seconds it started flowing for another 10 seconds then drip again, but both spouts showed the same flow this time. the taste is bitter

Analysis

✦

AI Analysis

Needs Work

Summary

Shot 15 ran slow at 40 seconds and came out bitter — you overshot the correction at grind 31. The uneven stutter flow (drips, then flow, then drips again on both spouts simultaneously) suggests the puck was too restrictive, not channeling. Note this shot was pulled before shot 16 chronologically — grind 31 caused the over-extraction, and grind 32 on shot 16 was still sour, which tells you the sweet spot is narrow and likely sits right around 31–32.

What the Numbers Say

40 seconds is Slow by your thresholds and slightly outside the ideal 25–35s industry range. Brew ratio 1.97 is Short. Balance rated 6 (Bitter) — consistent with the slow time. The symmetric stutter on both spouts rules out channeling; this is uniform over-restriction from a grind that's too fine. High grinder retention (0.7g vs your 0.2g average) is worth watching — inconsistent retention can shift your effective dose and contribute to variability shot to shot.

The One Thing to Change

Move grind from 31 to 32. Keep dose at 18g, target yield 36–38g.

Shot 16 at grind 32 was sour (under-extracted). Shot 15 at grind 31 was bitter (over-extracted). The target is one step coarser than 31. Grind 32 was your last sour shot, so you may need to fine-tune within that setting — but start there and get a clean read before moving. Also check your grinder for retention consistency: 0.7g this shot vs your 0.2g average is a meaningful variance that can skew results.

Bean Context

Maomi is a low-acid, full-body blend — caramel, cocoa, nuts. At the right extraction it should taste smooth and round, not sour or bitter. You're now bracketing the sweet spot: 31 is too fine, 32 is too coarse. That's actually good news — the target grind is right between your last two shots. The bean is 21 days off roast and in peak window, so freshness isn't a variable here.

Progress

You've bracketed the Maomi's sweet spot in 6 shots — grind 31 overshoots bitter, grind 32 is sour. That's real dialing-in progress. One clean shot at 32 (or splitting the difference if your grinder allows) should get you there.

Cached · May 25

Bean

RoasterLuckycat

BeanMaomi Blend

Days Since Roast21 days — Peak window

Roast Date2026-05-04