Hey Guys

I've been an avid and very happy user of Coravin. I just realized though that some bottles (especially 15+ yrs old ones) seem to leak a tiny bit of wine (I can't figure out how to attach pictures, as soon as I figure it out I'll update this thread).

I re-sampled the bottle and it doesn't seem oxidized or markedly different. Also the bottle definitely had argon pressure inside it when I pierced so it seems like the cork provided an adequate seal.

So how did the wine get out?

Anyone have similar experiences? I already ordered the finer needle, hopefully that'll fix the problem.
Original Post
quote:
Originally posted by Stephan:
Hey Guys

I've been an avid and very happy user of Coravin. I just realized though that some bottles (especially 15+ yrs old ones) seem to leak a tiny bit of wine (I can't figure out how to attach pictures, as soon as I figure it out I'll update this thread).

I re-sampled the bottle and it doesn't seem oxidized or markedly different. Also the bottle definitely had argon pressure inside it when I pierced so it seems like the cork provided an adequate seal.

So how did the wine get out?

Anyone have similar experiences? I already ordered the finer needle, hopefully that'll fix the problem.


I've had it happen on a bunch of older bottles. It leaks out the side of the cork because the outside of the cork mY not be as expansive as before
quote:
Originally posted by Stephan:
The leak is clearly coming through the needle hole and not from around the cork. The rest of the cork is perfectly clean and there is even left over wine inside the hole (possibly sealing the bottle).


You are leaving the needle in too long when u puncture and yank the needle out too quickly then. Older corks need more delicacy when puncturing and pulling
Used it a dozen times.

The longest time I waited to open a Coravin-ed bottle was 3 months; It was on a 2012 Belle Glos Pinot Noir and it tasted just fine. And generally it's fine on corks < 15 years. However, one time on a 2010 Sheridan Vineyard Cabernet Franc, it lost some herbaceous note when I open the the bottle to drink 2 weeks later to retaste. I realized the problem was because my friend poked 3 holes in that cork. So I DO think the condition of the cork plays a large role here, and the simplest solution is a syran wrap + elastic band.
I've noticed this leaky bottle phenomenon as well, even on some younger bottles. I agree that this tends to happen on older bottles whose corks may not have the same degree of elasticity as younger corks, but this occurrence has been hard to predict.

Re: juice quality: I've had bottles coravined for as long as 9 months and have done un-opened bottle to coravined bottle comparisons and have perceived no change in juice quality.

Recommendation:
-any bottle I coravin with the intention of drinking the remaining juice within 2 weeks (the majority of my coravin usage), I leave the bottles standing upright to avoid this issue altogether
-any bottle I coravin with the intention of dipping into once every 2-3 months (only a few bottles like this a year), I place back in my wine fridge on its side and check on after a day or two of coravin-ing. If there's no leak, then I assume it's all set. If there is a slight leak, I will generally either stand upright or place on the bottom of my wine fridge so any errant splatters don't affect any labels of bottles beneath the coravined bottle

That all said, I like Slippery Pete's rec of saran wrap and rubber band and think I will adopt that myself

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