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How Long Do I Stir?
Posted November 1st, 2009 | 0 Comments
"How long do I stir the concentrate mix?"
On day one, the kit needs to be stirred very vigorously. This is because the juice and concentrate are very viscous, and don't mix easily with water. Even if it seems that dumping the contents of the bag into the primary with the water has done the job, it hasn't. The wine lies on the bottom of the pail, with a layer of water on top, throwing off any gravity readings, and making the yeast work extra hard. When it comes time to stabilise and fine the wine, it has to be stirred vigorously enough to drive off all of the CO2 it accumulated during fermentation. This is because the dissolved gas will attach to the fining agents, preventing them from settling out. You need to stir hard enough to make the wine foam, and keep stirring until it will no longer foam. Only then will the gas be driven off so the fining agents can work their magic.
I added sulphite and sorbate too early in the process. What will it do to the wine? Sulphite and sorbate - the stabilisers in the kit - work to inhibit yeast activity. If, by mistake, you add them too early your wine may not finish fermenting. If you add the sorbate on day one, the yeast will never become active, and the kit will not ferment.
Post filed under: Ask The Vintner
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