4. Out With the Bad, in With the Worse?

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Wine makers take great care to ensure that they are producing a product that is clean, clear, and free of impurities. Wine drinkers can be thankful for that, but what may be a bit unsettling is some of the methods that are typically used to purify wine. The process is called “fining,” and it may involve the use of things like collagen taken from fish bladders and ox blood.