Home Winemaking - Is Degassing Wine Important?

There is controversy about whether degassingoffer benefits, but many don't care about the
your homemade wine is necessary. On one side,characteristics that might develop in the wine in a
there are those that say that it is very importantyear or two - they want to enjoy their wine
to making wines that you'll enjoy and be proud ofnow!  For those winemakers, degassing the wine
in the months and years to follow.  On the otheris vital.  For winemakers that plan on bulk aging
side, there are those that suggest that degassingtheir wines under an air lock, degassing may not
is not that important, that the amount of carbonbe as important as most of the gas will dissipate
dioxide that remains when you bottle your wine isduring the bulk aging process.  However, there
negligible. But this assumes that you will be bulkare times when simply bulk aging the wine will not
aging your wine for several months in the carboybe enough to rid it of excess carbon dioxide. Cool
before bottling, which will supposedly allow thetemperatures and high barometric air pressure
carbon dioxide gases to dissipate.may result in wine with excess carbon dioxide if
I'm with the first camp and it is my experiencenot manually degassed.
that degassing wine is important. I'm not worriedAlthough it is not likely the winemaker will
about pressure building up in the bottle due to thecompletely remove carbon dioxide from their
presence of carbon dioxide. I'm concerned aboutwine, having too much of it can affect the taste
taste and visual appearance. Who wants to pourof the wine negatively. In water, carbon dioxide is
wine for guests that foams up in the glass?noticeable to our taste buds when it is present in
Degassing is also an important consideration fora ratio as low as 200 mg per liter. In small
winemakers that are planning to enter their winesamounts, it can enhance the tannins in wine but
into competitions. Wines are not judged only ontoo much carbon dioxide can produce unwanted
taste. Odor and appearance are also importanttastes.
factors. If the wine is meant to be a still wine butThere are several ways to degas wines, including
has carbon dioxide bubbles, it will not score well onmanual vigorous stirring, using a device attached
appearance.to an electrical drill and using a vacuum pump. 
Most people who make wine these days useI've covered some of these methods here that
commercial wine kits. These kits are made sowill be especially helpful to you if you make wine
that the winemaker can bottle their wine in 4 tofrom wine kits.
8 weeks.  Of course, bulk aging the wine will