ZOS Halo Wine Preserver


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  • A wine industry first, this Zero Oxygen Solutions Wine Preserver keeps an opened bottle of wine perfectly preserved for up to two months
  • Designed by wine lovers from the California wine region, it eliminates oxygen from an opened bottle of wine, preventing oxidization
  • Super-easy to use, there’s no need to inject gas or pump to create a vacuum – just insert it into the neck of your bottle and leave it standing upright
  • Works on any variety of wine – red, white or rose
  • Cartridge lasts for up to 15 bottles, Refill cartridges available
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Item # 491 01 01
Questions & Answers

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Browse 5 questions Browse 5 questions and 7 answers
How long do the batteries last?
James H on Dec 15, 2017
BEST ANSWER: The ZOS Halo Wine Preserver requires batteries for displaying the lights indicating when the unit is ready for use. I suggest using a name brand battery, a long life battery or a lithium one will last you the longest.
will it work on sparking wine ?
debra c on Dec 15, 2017
BEST ANSWER: The ZOS Halo Wine Preserver does not work on sparkling wine or champagne. We do offer a Champagne Preservation Recorker which will preserve your sparkling wine or champagne for days.
Champagne Preservation Recorker (Chrome)
Champagne Preservation Recorker (Chrome)
Customer Reviews

4.2 / 5.0
14 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
At last! Something that works.
Seems high tech, but really simple to use, and remarkably effective. Goodbye to frantic pumping, or squirting unsure amounts of gases into bottles. So far haven't gone beyond two weeks with an open red wine ands no refrigeration, but to that point the wine was fully preserved. After a couple of months and a number of bottles, the initial cartridge is still working. Wow!
February 19, 2018
1 year ago
This works beautifully.
Easy to use and great for saving your wine for another day
Highly recommend
March 19, 2018
1 year ago
Halo Awesome
Love my ZOS Halo! Very easy to use. On my second cartridge. 12 bottles preserved with first. No hesitation about opening a second or alternate bottle.
March 21, 2018
Works as advertised
Tried on first bottle of Pino and could detect no difference after two weeks. So far so good.
January 6, 2018
1 year ago
ZOS Wine Preserver
This is the greatest! This is the first time we have been able to keep a bottle of wine for more that 3-4 days. The last bottle was preserved for over 2 weeks while we were on vacation. Amazing!!!
March 21, 2018
1 year ago
Seems to work fine
I have not used this long, and am still on my first cartridge. I would not say the red wine bottles I have used it with tasted like first opened after a day or two, but nor were they notably oxidized and they certainly remained drinkable. Definitely better than just re-corking or a vacuum stopper. We are experimenting with this system at our local winery/tasting room, and seemed to be burning through the cartridge much faster than at home. Not surprising, but the initial impression remains nonetheless favorable. Not pouring yesterdays 1/2 bottles down the sink still remains a good investement, but we will see over the next few months.
January 5, 2018
1 year ago
two halos, mixed results
I purchased my halos through the Kickstarter that funded this program. Regrettably, I cannot recommend this system. One of my cartridges gave each bottle of wine a foul, off taste. I stopped at two bottles because at $35-50 a bottle I would rather just drink the entire thing. Other cartridges did not have the same foul taste affect. Both halos sometimes say the cartridge is good (green light) and sometimes they say it's bad (red light), even though it's the same cartridge. So really, which is it? There is apparently a flaw in the testing system. If I were buying $10 bottles of wine, I would just pour out what I didn't drink after a couple days. I can't trust this system with the wines I typically drink because it's just entirely too inconsistent. To top it all off, I've made several inquiries with the company about what might be causing these problems and they've never responded. That's just completely inexcusable. So, you have to really make a decision, do you trust a fine bottle of wine to this or not, and if you're not drinking fine wine is this even necessary? I genuinely hope the product improves because the concept is great. It's just not there yet.
January 21, 2018
Very practical
Works much better than vacuum pumps and much more convenient than chasing around to refill nitrogen tanks. Early prototype cartridge failed, but haven't had any issues since. Overall neat product and great gift idea.
March 21, 2018
They did it. The wine taste the same after 2 weeks as if we just opened it.
We were amazed on how it really holds the taste of a open bottle of wine for over 2 weeks. We loved having it at our Thanksgiving holiday party. Our guest really liked the green light feature of the product. We're buying a few more ZOS Halo's as Christmas gifts for friends and family.
December 5, 2018
8 months ago
Uncertain how good the ZOS is!
Not sure I can tell it’s that much better than other products on the market. I am not sure I can tell when the cartridges are no longer working and need to be replaced.
February 19, 2018
1 year ago