
Grind coarse. Combine in a jar, stir so there are no dry pockets. Lid on. Fridge 12–18 hours.
Finer grind = sludge and a fight with the filter. Don't.

Coarse grind, 12–18 hours in the fridge, concentrate that isn't sludge
You will mix a 1:5 concentrate, steep it cold overnight, filter it, and dilute to drink. This is fridge coffee, not a 24-hour counter science fair.
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Grind coarse. Combine in a jar, stir so there are no dry pockets. Lid on. Fridge 12–18 hours.
Finer grind = sludge and a fight with the filter. Don't.
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