When reusing a good quality Paper Filter twice, what must the brewer recognize about the second cup?
Answer
It is a compromise rather than an ideal brew due to embedded oils.
Attempting to reuse a paper filter for a second brew, even when rinsed thoroughly, inherently introduces a chemical compromise to the resulting coffee quality. Although the financial savings are measurable (dropping the cost from 3.3 cents to 1.65 cents per cup), this benefit does not eliminate the physical reality that coffee oils remain embedded in the paper structure. Therefore, the second cup should be viewed as a reduction from the ideal brewing standard, often manifesting as flavor dullness or potential sediment transfer, meaning the pursuit of perfection must yield to practicality.
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