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I should say a bit about the reasons for plunging the cap in open ferments like this one. It is important that the cap remains in contact with the wine to help with all of the magic the skins of grapes provide in red ferments. Not only does the practice improve the organoleptic appeal of the wine, it also introduces oxygen to the ferment, discourages the presence of those pesky drosophilia and by the end of vintage improves upper body muscle tone. Because we achieve such good colour during cold soaking, we usually only plunge the cap twice a day at peak ferment and once a day thereafter but we do keep drosophila at bay by covering the ferment throughout.
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