🔍 Find the number to waste as little as possible.

The cracking problem of a novice barista is to find a "grinding number" where "no coffee is wasted in kilos"! 😩 This is a coffee grinder adjustment technique to get the most proper resolution and coffee economy from NLCOFFE!

🔍 Finding the least waste of ground numbers (for Espresso Machine)

📌 key principle

Use Extraction Time as a Navigation

Step 1 Touch Test (Rough Check)

- Grind the coffee out a little to see the initial resolution.

- Touch by hand. Proper resolution should feel like "salt meal, pepper meal mix."

- Touch appearance will get a soft texture, hands (like pepper meal) and mix with a little hand pestle (like salt meal).

- Meaning. This is the closest resolution to a Espresso Machine brew.

Step 2 Fine Tuning & Dialing In

- Always weigh the amount of ground coffee powder using digital scales.

- Reference Ratio (Ratio and Quantity depending on each store) i.e. coffee content of 18 grams. Water extract 60 ml with expected extraction period of 25-30 seconds.

➡️ Adjustment of mash number by extraction time

The problem found

- Coffee juice flows "faster than 25 seconds" (less coffee extracted)

- Coffee water flowing "more than 30 seconds slow" (coffee is too extracted)

How to adjust the mash number

- Adjust the mash number to 1-2 points at a time (water flows too fast)

- Adjust the ground number to "rough" up 1-2 points at a time (the water is flowing slowly)

Remember!

- Fast flow > Fine adjustment

- Slow flow > Rough adjustment

⚠️ The key to saving coffee: Every time you adjust the mash number, you have to grind the coffee for about 5 seconds to scavenge the old coffee stranded meat (Purge) to get the milled coffee powder according to the actual number and then test the coffee extraction again.

Step 3: Trial the tasting in the favorite menu (Taste Test)

- Taste on your favorite menu. For novices, make coffee on your favorite menu (e.g., latte, cappuccino) to taste the intensity of your coffee from 25-30 seconds.

- Final Adjustment:

To make the taste softer (less extracted), adjust the coffee to rougher so that the extraction time is less (but should not be less than 20 seconds).

To make the taste darker (longer to extract), adjust the coffee more finely so that the extraction time is longer.

Conclusion This final adjustment is based on personal preferences and expected coffee flavors.

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# nlcoffee # Raw Material Equipment for Comprehensive Coffee Business # Coffee grinder # Find the number to waste as little as possible # Coffee