CoffeeSock Re-usable Organic Cotton Filter Chemex 3 cup old-coffee This refractometer also has a

This refractometer also has a micro calibration layer for temperature compensation

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It is common to have some amount of clumping when grinding for espresso in a domestic grinder

CoffeeSock Re-usable Organic Cotton Filter Chemex 3 cup old-coffee This refractometer also has aCoffeeSock filters are a durable and reusable alternative to paper filters and nylon sacks. All CS filters out perform any comparable disposable and reusable filters. Cotton absorbs some of the oils released from coffee beans yet lets acids pass through. The resulting cup is clear, crisp, rich and robust; with all the acid of paper brewed coffee, without the paper taste and all of the richness of French press, without the heavy oiliness. ReUsable