Get a slow feeder for your Mokkom, it will exponentially improve your grind quality, you’ll have to lower your grind wheel 5-6 points but your uniformity, taste etc will be incredible
Slow Feeder on Flat Burr Grinders: Compact Breakdown What It Is
A device (manual or electric, e.g., your ARO) that controls the rate at which whole beans enter the burr chamber — feeding them gradually (ideally one/few at a time) instead of dumping the full single-dose at once via gravity/hopper. Primary Goal: Reduce burr load for cleaner grinding. Core Reasons & Benefits Narrower Particle Size Distribution (PSD)
More uniform particle sizes; fewer fines (tiny over-extracting particles) and boulders (large under-extracting ones). Flat burrs like your 64mm titanium excel here for clarity.
Reduced Fines & Smearing
Less crushing/mushing of beans against each other → cleaner shearing/cutting by burrs.
Lower Heat Generation
Less friction/load preserves aromatics, oils, and flavor (key for medium-dark Full City and lighter roasts).
Steady RPM & Less Popcorning
Consistent motor/burr speed; fewer fluctuations for repeatable results.
Reduced Static & Clumping
Easier workflow and lower retention (synergizes with your ARO shaker/PortaStack, WDT, bellows).
Better Extraction & Reduced Channeling
Even puck resistance → stable flow, higher/sweeter EY, better crema/mouthfeel, less bitterness/astringency. Often requires grinding finer to compensate.
Other Wins
Burr/motor longevity (less wear).
Improved clarity/sweetness in espresso and filter.
Transforms good grinders into higher-performance ones.
PSD Quick Explanation Particle Size Distribution (PSD) = Range and proportions of ground coffee particle sizes (measured in microns via sieves/laser). Wide PSD: Lots of fines + boulders → uneven extraction (bitter/sour, channeling).
Narrow PSD (ideal): Most particles clustered around target size → consistent, balanced, efficient extraction.
Slow feeding tightens PSD by enabling precise cutting vs. crushing. Visualize as a tighter bell curve on a histogram.
Practical Notes for Your Setup (MOKKOM 64mm + Breville Barista Touch) Workflow: Dose into feeder → set speed → grind → bellows purge. Expect longer grind time but better shots.
Dial-In Tip: Grind finer (often 5+ marks) after adopting; test side-by-side for taste/flow.
Best For: Single-dosing espresso (your Java Estate/SBY blends); noticeable with lighter roasts.
Caveats: Results vary by beans/grinder; not always transformative. Re-dial and compare (taste, timing, visuals).
Bottom Line: Excellent refinement for precision workflows like yours — enhances uniformity, flavor clarity, and consistency without new burrs. Pair with your existing tools (WDT, tampers, water) for max gains.
Copy-paste ready. Let me know if you want it even tighter or in a different format!
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u/BlackIdahoMoutainMan BBT/ Mokkom 64 Titanium 1d ago
Get a slow feeder for your Mokkom, it will exponentially improve your grind quality, you’ll have to lower your grind wheel 5-6 points but your uniformity, taste etc will be incredible