How Long Does Kombucha Last — (A Homemade Brew or Unsealed, Open Bottle)?

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If you’ve been following some of my Kombucha woes on Facebook (well, no woes to speak of yet, just purchasing my mushroom, preparing to make it, reading worrying things from places like the Mayoclinic, and then having anxiety about making it) you may know that my latest freak-out question of the day is this:

When opened, how long does Kombucha last?

If you make your own, I’d love an opinion!

Or weigh in here on Facebook;)

Thanks! (I’ve got a nine-day old open bottle I purchased from a home-brewer and am scared!)

image by Twon

Comments

  1. tonya says:

    how long does it last??? well, ive got some that is about three years old under the counter, if you wait that long then it vinegar and we use it for! it makes really good salad dressing! the longer you leave it out the more vinigar like it will become and ANY bukka left out for too long(couple weeksish) will make a new baby mushroom. I made a 12 pack of bukka in saved sobe bottles,for my father in law about 4 years ago. he gave the bottles back not rinsed. i set them off to the side for a week or two not knowing they needed to be cleaned. when i pulled them out later,at the bottom of every jar was just the tiniest bit of bukka and each one had a mushroom in it! my children thught it would be a good chance to experiment ,so they took them and fed them till they got to be full size and they thought it was really neat:) well anyhow, bukka left out for too long isnt going to as bubbly and sweet, thats all. :)

  2. Oh, it’ll last at least a couple weeks if opened. It won’t be carbonated anymore though. And homebrews, months, if unopened. I’m drinking some now I think I made in November or so….

    You really don’t need to worry about the Mayo clinic. They don’t understand it, so they have to criticize it. Because there is such a balance of bacteria and yeasts, contamination is actually HIGHLY unlikely. You’d notice black mold growing on it. I’ve been brewing almost a year with no problems.

  3. Barbara says:

    I have some i’ve had for many, many months in the fridge that I brewed. It still tastes just fine. I don’t drink it as often now and I used to (need to get back in the habit!) so it’s been there awhile. Unfortunately I let me mushroom die so I’ll have to get another one from a friend so i can start making it again. I love to flavor it with raspberries! It only takes a few.

  4. Bbb says:

    Home brewed kombucha can last up to 1 year.

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