These are not the 1+ month results (double blind with side by side comparisons between Coravin-open bottle and new bottle), but these early findings bode well.

THE WINE: 2001 Grand Vin de Leoville du Marquis de Las Cases (St. Julien)

BACKGROUND: Bottle opened with Coravin up last Friday during an offline outside of Boston . . . approx. 10 ounces poured. Bottle subsequently stored in wine fridge at 56 degrees for last 7.5 days. Previous experience with other wine closures suggests this wine would have been undrinkable (or poorly drinkable)

FINDING: Late afternoon drink with a friend . . . the wine tastes fresh, bright, with no obvious change in taste/texture/characteristics.

Didn't intend this to be a tasting note, but just early evidence that the Coravin seems to be supporting its marketing claims quite well. Looking forward to posting the "double-blind" results at the end of Sept.
Original Post
One minor gripe with Coravin . . . once the Argon gas cartridge runs out, you cannot pour wine through the unit.

Since there's no way of knowing how much gas is left in the canister, you'll always want a spare lying around both to ensure you can get the pour size you want and so the bottle is intact (in appropriate storage condition) after removing the device
Not sure if I agree with Coravin's claim that each capsule allows you to access 15 glasses of wine.

I trust that they've done the study to prove this, but the devil's in the details. It is quite possible that each capsule allows you to access 15 5-oz pours from 15 totally new bottles which would limit the amount of Argon necessary to refill the partially emptied bottle. But, in real life, when you access the same bottle multiple times, you will be using much more argon gas to fill in the removed wine.

Long story short . . . one capsule lasted me:
--2 test bottles (removed ~12 oz from each; will open again in 1 month to test against "fresh" sibling bottles)
--1 bottle accessed one-time last week (~10-12 ounces removed from first opening)
--A few bottles for puncture test only (minimal gas released, I believe)
--1 bottle opened a few nights ago . . .5-7 ounces removed. Same bottle opened last night and was out of gas.

If it's purely a volume removed/replaced equation, Coravin suggests the Argon gas cartridge is good for replacing 75 ounces of liquid. My first capsule lasted ~50 ounces of liquid removed. I did not do precise volume measurements so my 50 oz estimate may be a little off, but I am sure I am nowhere near the 75 oz. estimate Coravin provided.

Going to do another "longevity "experiment" to really test the longevity of a capsule once I get more capsules!
quote:
Originally posted by Tannin Pig:
The claim is ~15 glasses, so 2-3 bottles, but I suppose YMMV. My Coravin came last week but they forgot to send the gas canisters, so it'll be a few more days before I can try it myself.


Tannin Pig . . . had the same issue. I received my 2 cannisters that come with the unit. But I also ordered a 3-pack refill which they forgot to send
I opened the Aida vineyard 29 that Parcival shared with me 2 weeks ago. We drank, I would say, 1/4-1/3 the bottle that night via the coravin. After 2 weeks, no signs of seepage nor oxidation what so ever. It was stored in a wine cooler at 57 degrees for those two weeks. The wine had the same highly concentrated fruit characteristics from the 2 weeks prior. We tried it next to a 2005 HSS and, personally thought it showed better. But, that's for another thread...so far so good with the Coravin.
I'm not sure how much I really need this thing or how often I'll use it, but I had to have one to satisfy my gadgetphilia. Works like a charm. Second "pour" of a Bryant Cab a week after the first is indistinguishable, at least by memory. But...

(Warning, you may not want to try this at home)

I proudly demonstrate my shiny new toy for my wife, who says, "That's really unappealing. The nice sound and look of the wine pouring into the glass is gone. It's so slow, like an old guy having trouble peeing."

Shrinkage, anyone?
quote:
Originally posted by Tannin Pig:
I'm not sure how much I really need this thing or how often I'll use it, but I had to have one to satisfy my gadgetphilia. Works like a charm. Second "pour" of a Bryant Cab a week after the first is indistinguishable, at least by memory. But...

(Warning, you may not want to try this at home)

I proudly demonstrate my shiny new toy for my wife, who says, "That's really unappealing. The nice sound and look of the wine pouring into the glass is gone. It's so slow, like an old guy having trouble peeing."

Shrinkage, anyone?


I hear that sound -- WAOH WAOH (when someone loses on "The Price Is Right") going off in my head!
quote:
Originally posted by Purple Teeth:
The real revelation here is Parcival can keep his hands off a open bottle of wine for 7.5 days. Amazing self control! Bow Wink


Huge self-control! I'm literally duct-taping myself to my chair to let my Napa Cabs get more than 10 years of age on them!!
quote:
Originally posted by W-MassWineGuy:
Just curious, when you plunge the needle through the cork, do you get any idea of how the cork has been holding up?


I've gone through the same cork 5x on one bottle. No seepage; no indication that the needle is destroying the bottle. It's a pretty thin hollow needle, but my guess is that if you accessed the same bottle many more than 6-7 times, you might start to do some damage. But then I'd wonder, why are you accessing that bottle so frequently!

But, this is a good question . . . on vacation right now, but going to do an access test when I get home to see how many needle punctures start to destroy the cork. This is like the Owl's question of how many licks does it take to get to the center of a tootsie roll pop (anyone remember that commercial).
quote:
Originally posted by Parcival:
quote:
Originally posted by W-MassWineGuy:
Just curious, when you plunge the needle through the cork, do you get any idea of how the cork has been holding up?


I've gone through the same cork 5x on one bottle. No seepage; no indication that the needle is destroying the bottle. It's a pretty thin hollow needle, but my guess is that if you accessed the same bottle many more than 6-7 times, you might start to do some damage. But then I'd wonder, why are you accessing that bottle so frequently!

But, this is a good question . . . on vacation right now, but going to do an access test when I get home to see how many needle punctures start to destroy the cork. This is like the Owl's question of how many licks does it take to get to the center of a tootsie roll pop (anyone remember that commercial).


Glad to see you're getting you money's worth. I was thinking more along the lines of older wines/ corks. If you use it on a wine with some age (say you have a case), will there be less resistance if the cork is saturated and turning to mush on the inside? Possibly signaling that its time to start drinking your stock sooner than later.

I suppose the very existence of the coravin makes this somewhat of a moot point given that you'll be able to check in on the wine over time and not have to remove the cork anyways. Guess I've rationalized my own question away and convinced myself to buy one at the same time.
quote:
Originally posted by W-MassWineGuy:
quote:
Originally posted by Parcival:
quote:
Originally posted by W-MassWineGuy:
Just curious, when you plunge the needle through the cork, do you get any idea of how the cork has been holding up?


I've gone through the same cork 5x on one bottle. No seepage; no indication that the needle is destroying the bottle. It's a pretty thin hollow needle, but my guess is that if you accessed the same bottle many more than 6-7 times, you might start to do some damage. But then I'd wonder, why are you accessing that bottle so frequently!

But, this is a good question . . . on vacation right now, but going to do an access test when I get home to see how many needle punctures start to destroy the cork. This is like the Owl's question of how many licks does it take to get to the center of a tootsie roll pop (anyone remember that commercial).


Glad to see you're getting you money's worth. I was thinking more along the lines of older wines/ corks. If you use it on a wine with some age (say you have a case), will there be less resistance if the cork is saturated and turning to mush on the inside? Possibly signaling that its time to start drinking your stock sooner than later.

I suppose the very existence of the coravin makes this somewhat of a moot point given that you'll be able to check in on the wine over time and not have to remove the cork anyways. Guess I've rationalized my own question away and convinced myself to buy one at the same time.


W-Mass . . . you're in good company. I've had a number of people email me this exact same question. I'm hoping to find a way in early fall to bring the Coravin to NYC. G-man has some old Ports that would be excellent candidates for this test.

I'm pretty much a young wine drinker, though in rehab for that and moving toward greater age on wine, so all my tests will essentially be with younger wines (<10 years)

If and when I get down to NYC and can get G-man's thoughts on older Port bottles, then I think we'll have a 360 view of this thing
Adam . . .

have had a few other posts, but here's a summary:

1) Love the device. Use it regularly now. My wife and I typically drink 1 glass per night. On these nights, if I am leaving for work the next day, I no longer hesitate to open anything.

2) Have experimented with wines with <10 years on them. For 2 different labels I accessed 1 bottle with Coravin and had a identical "sibling" bottle for later comparison. For 1 label, I did a comparison at 1 month and another bottle I did a comparison at 2.5 months. Absolutely no difference. The coravin perfectly preserved the wine
--> A recent WS "test" of the coravin posted slightly different results. But, interestingly in their review, they said some tasters preferred the Coravin accessed wine

3) Tested this on a 1961 Figeac (ignore my score on that wine as compared to my qual remarks please!). The Coravin provided a great way to access the wine. However, the cork was too brittle to retain a closure after being accessed.

Overall, great device for wines with natural corks that are still resilient and in good shape. There's no universal wine age cutoff for using this device, but my guess is that once you go beyond 20 years and cork integrity starts to wane a little you will want to be extra careful. If the cork shows any signs of not holding up against a typical waiter's cork sscrew, I would not expect this wine to retain a perfect closure after being accessed by the Coravin

RE: COST: With regular usage (~1 use per week; we only use this is we can't finish a bottle in 2 days), we go through 1 canister of Argon gas every 4-6 weeks. Canister longevity totally depends on how much wine you're removing from the bottle. This has been incredibly difficult to estimate, but based on 3 months of usage, I am guessing that the canister is good for removal of 60-70 ounces of liquid (slightly under what is suggested by Coravin - 75 ounces)
a generous forumite sent me one jsut so i could do some baby killing,

i must say i am impressed personally.

I've got a 20 yr tawny lined up (avg age of the wines in there 60yrs old) and drew a glass out, now going to wait and see with a fresh bottle in the future

if you include cleaning the sucker, no way you can get that 15 5 oz glasses.
Here is my update. In August, I Coravined about 250 ml out of a bottle of 2004 Errazuriz Viñedo Chadwick. I put is back in the cellar until today. Today, I drew another 250 ml and am happy to report that as far as I can tell, it is identical to my first sample. This is so cool!
quote:
Originally posted by geppetto:
Here is my update. In August, I Coravined about 250 ml out of a bottle of 2004 Errazuriz Viñedo Chadwick. I put is back in the cellar until today. Today, I drew another 250 ml and am happy to report that as far as I can tell, it is identical to my first sample. This is so cool!


Good to see many of us are getting consistent results. I am 3+ months in and have not been let down once!

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