A refractometer measures how light bends (aka refracts) as it moves between air and liquid. This gives us information about the properties of the fluid. The coffee measures the Total Dissolved Solids (TDS), allowing us to calculate the extraction yield (1).
Within 7 days from the date of order arrival, you may request a return or exchange for certain products.
For which products are eligible to be returned or exchanged, please see Return & Exchange Policy.
(Only those found faulty upon opening, excluding impersonal factors.)
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