In the past I have been ocassionally plagued by this and are currently
having the following problem. I made a batch of wine from fresh juice
(cabernet) and when finished I filtered with a #2 filter to polish.
After bottling and storing for about 1-2 months I noticed that the
wine bottles show a heavy stain when consuming a bottle. The area
where the cork was of course remains clear but the area where the wine
was is badly stained.


What did I do wrong and how can I prevent this happening?
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Doug Canning - Maple Ridge B.C. Canada
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