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Glass care
The Ratio carafe is made of borosilicate glass, similar to laboratory glass. After each brew, rinse the carafe
in warm tap water, using a drop of dish soap if you’d like. As a reminder, do not put the carafe in the
dishwasher or microwave.
Wood care
The hardwood on the Ratio Eight is sealed with varnish that is formulated to handle extreme marine
environments. Over time, the wood will develop a patina. To refresh the finish, use a clean towel to apply a
natural oil intended for wood surfaces, such as butcher block oil. After 1-2 minutes, use another clean towel
to bu the finish and remove excess oil. If you prefer a matte finish, use an ultra fine steel wool (such as
0000 grit) to remove any gloss.
Metal care
Use a microfiber towel to wipe up water from the surface of the machine. Most coee stains can be
removed with a moistened towel. You may use diluted Ratio Machine Wash on the metal parts to remove
coee stains. Do not use an abrasive brush or scrub pad on the machine as it can scratch the surface.
06 MAINTENANCE