Fetco GR-1.2 - Page 7

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Approximate grind times for medium size, average to dark roast beans.
Batch Size Typical Coffee Dosage
Timer setting
(seconds)
Notes Notes
½ Gallon
2 – 4 oz.
57 – 113 grams
6.7 - 13.3 sec.
2.5 – 3.0 Liters
2 - 4.5 oz.
57 – 128 grams
6.7 - 15 sec.
1 Gallon
4 – 8 oz.
113 – 227 grams
13.3 - 27 sec.
1.5 Gallons
6 – 12 oz.
170 – 340 grams
20 – 40 sec.
2 Gallons
8 – 16 oz.
227 – 454 grams
27 – 53 sec.
3 Gallons
12 – 24 oz.
340 – 680 grams
40 - 80 sec.
6 Gallons
39 – 51 oz.
1.1 – 1.44 kg.
130 -170 sec.
Factors in the whole coffee beans such as: age, size, oily or dry, and degree of roast will affect grind times.