How long to keep a bottle open for??

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Charles M 🇬🇧 | 149 ratings Author Posted 16 Sep '22

I tend to get through most of my rums fairly quickly, but..... I had a Foursquare Port and a Foursquare Zinfandel both open. The Port I had drunk a bit, but the Zin was still into neck. Can't recall how long I had them in the cupboard for, but as they are no longer available, I think it was months. Given Covid, time seems to have been distorted, so it might well be over a year.

Anyway, the Port was very disappointing. It had lost its unctuiosness and that specialness that I so loved. It wasn't bad or anything, but just a bit flat. So I had to knock the Zinfandel off quick smart, which really wasn't too burdensome. However, looking at the prices of it, I'm not sure I'll be opening the few bottles I have left of it!

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Stefan Persson (PREMIUM) 🇸🇪 | 511 ratings Replied 17 Sep '22

Charles M,

Some years ago I attended a Cognac Master Class and then learned that a bottle symbolizes 1year.

After the 1st opening it's then decided how long time you will have to finish it without changing in taste.

If you at that 1st opening drink for example 1/3 of it you will have 2/3 of a year to finish it. If you drink half of it you have half a year to finish it.

 I don't live up to that completely, but I always finishes my bottles within a year.

kudzey 🇵🇱 | 38 ratings Replied 17 Sep '22

I usually keep my bottles open for very long, like several years. My guess is the less oxygen, the better so I move the spirit to smaller bottles whenever the remaining volume allows it. I also store my rums in dark, cold places. I did some cross tests to find no visible difference between freshly-opened bottle and the rums I store this way 

kudzey 🇵🇱 | 38 ratings Replied 17 Sep '22

One more thing, It is said that the sugar-rich rums would deteriorate faster. I think that might be true.

Kevin 🇺🇸 | 78 ratings Replied 30 Sep '22

Kudzey said it. I don't know if it's sugar content, distilling process or whatever but I have found some rums just can't hang once opened & others get better. It's basically a crap shoot! Good luck Matey! ☠

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Rene Rum (PREMIUM) 🇨🇭 | 547 ratings Replied 15 Oct '22

I have made the experience that sugared rum so one to maximum two years without great flavor loss can be open, unsweetened rum, however, can be open for years. Also that a low filling quantity of the bottle must lead to faster consumption than an almost full bottle may I confirm. 

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DB 🇺🇸 | 70 ratings Replied 16 Oct '22

I might be just imagining this, so please chime in and let me know your thoughts - but I'm finding that less aged, especially silver rums seem to hang on longer, or have little to no change. I cruise through light rums fairly quickly, but I have a few that have been opened a while, and are getting down to the bottom - can't make out any differences over time. I'm guessing they are simply less complex (the ones I have anyway), so a lot less to breakdown and miss, largely but not exclusively column still rums. Does that make sense?

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Alas 🇵🇷 | 503 ratings Replied 17 Oct '22

With a few exceptions (my daily go to rums) i keep bottles for 5+ years and sometimes do side to side taste test with same expression newly bought....sometime the old bottle tastes better (dictador) sometimes the new bottle tastes better (appleton 21).  Fact is they will change, but if you're going to collect (going on +150 bottles) it's something unavoidable