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| Winemaking (rec.crafts.winemaking) Discussion of the process, recipes, tips, techniques and general exchange of lore on the process, methods and history of wine making. Includes traditional grape wines, sparkling wines & champagnes. |
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07-12-2007, 05:35 AM
posted to rec.crafts.winemaking
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UPDATE - CuSO4 and Pinot Noir
So about a year ago, I added 10x too much CuSO4 to a pinot noir to clear
up a H2S problem. Lum gave some advice about adding yeast to the wine to absorb the excess copper. Initially, the copper conc was 1.69 ppm. I added 10g/gal of yeast and racked off the yeast after 2 weeks. I just got back test results and the copper is now at 0.26 ppm! Quite an astounding drop. I have not bottled the wine so I have not really tasted it or smelled it but at least it is drinkable. Thanks again to Lum and this board for all the great advice! Joe 
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