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Dr. Vinny,

It is it necessary to store/cellar wines with a twist-off cap horizontally since there is no cork to keep wet?

—David W., Halewia, Hawaii

Dear David,

You can store wines with screwcaps vertically or horizontally. As you mention, with twist-offs, there isn't a concern about keeping the cork moist to make sure it doesn't dry out. However, it's still a good idea to follow the other rules for storing wine: do your best to keep the bottles away from excessive light, heat, temperature fluctuation and vibrations. The best place for me to do this is in my cellar, and since my racking is already there, I just put the twist-offs on their sides with the rest of the bottles.

—Dr. Vinny

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