Fine-Tuning Your Fill Levels
Correcting for fill levels, ullage pressure and temperature are all requirements to prevent leakage over time as chilled wine warms and expands.
Dec 2004 Issue of Wine Business Monthly
Just when you thought you were home free, when the only thing remaining to do is get the wine packaged and on its way, bottling it can be a complicated situation. The Tobacco Tax and Trade Bureau (TTB) requires all 750ml bottles to be filled with exactly the same amount of wine at 20°C (68°F). That sounds easy enough, but bottle sizes vary, ambient and liquid temperatures are rarely ideal, corks come in different sizes, and pressure can rise in the neck of the bottle. All these variables can pot...
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