[Methods] the bentonite with 10 times of the pure water dissolved， natural expanded to a smooth paste. After 12-24 hours， added to the grape juice or wine， fully shake; static grape juice or wine， 4-7 days will all impurities settle to the bottom of the container wine clarification. Put in the refrigerator， to clarify the speed will be faster， 2-3 days to clarify.

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