Spontaneous fermentation success

Discussion in 'Homebrewing' started by azurel, May 23, 2017.

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  1. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    So this past weekend(Saturday) we were brewing a Citra/Mosaic hop IPA....We ended up having some extra wort....It ended up being about 2 gallons once the mash drained....

    So I figured what the hell I have been wanting to try a spontaneous fermentation. So I took 2 gallons boiled it separate and added about .6oz of mosaic at the 20 minute mark for hopefully some antibacterial properties. It was in a small stainless steel pot with a couple muslin bags stretched over it.

    I took it out to my moms shed since it was raining at the moment and let it cool overnight....I couldn't get back to it on Sunday so it sat....On Monday morning my mother took it out and let it sit in the flower bed out of the sun....I was finally able to get to it today and see what was going on. I pulled the muslin bags off and it was fermenting already....

    Has a real strong fruity nose with a little spice.....Pretty excited to see what happens with it. I know it a bit bigger volume then most start with....

    Here is a picture of it in the gallon carboy.
    [​IMG]
     
  2. Tebuken

    Tebuken Initiate (0) Jun 6, 2009 Argentina

    You missed to mention you have pitched enough yeast to develop such a nice fermentation/krausen.
     
  3. jbakajust1

    jbakajust1 Pooh-Bah (2,552) Aug 25, 2009 Oregon
    Pooh-Bah

    I'm thinking all that fermentation/krasuen is from the wild yeast/bacteria that found its way into the chilling wort. Sounds like he didn't pitch any yeast (thus negating Spontaneous Fermentation).
     
  4. Tebuken

    Tebuken Initiate (0) Jun 6, 2009 Argentina

    There is no way to achieve that fermentation(as spontaneous) in 3 days, you must consider whatever microbes have fallen into this wort need enormously more time to increase their biomass to get such a fermentation like the foto shows, absolutly no-way.Maybe ET is still living in this people“s garden and he has pitched some of his et-critters overnight wthout being seen..
     
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  5. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    No yeast was pitched....

    When the worth went outside it had just come off the burner and was boiling.....This was taken outside to cool before we even pitched the yeast for the IPA we brewed just to remove that as a factor........Some of the sediment is hop pellets and drudge solids that have settled out.....But it is fermenting by wild yeast....
     
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  6. jbakajust1

    jbakajust1 Pooh-Bah (2,552) Aug 25, 2009 Oregon
    Pooh-Bah

    in one gallon of lower gravity wort, absolutely possible. Depends on what he got in there.
     
  7. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    Some of the foam is also from transfer....But there was quite a bit in the pot when I brought it in to transfer to the jug. It also sat outside for 48 hours before being transfered.

    If it had cooled in the brew room I would possibly assume some yeast from previous brewings might have got in...But I don't know of any brewing yeast that can withstand boiling temperatures....


    I honestly expected to find nothing or something nasty to be truthful....But reality is it still maybe nasty......Won't know till it fements
     
  8. GreenKrusty101

    GreenKrusty101 Initiate (0) Dec 4, 2008 Nevada

    How warm and/or windy was that May Day in Michigan? :slight_smile:
     
  9. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    It was about 55 sunny and it was pretty windy all day.....
    They also have a large natural pond on the property and is surrounded by woods....about 2 miles away is an apple orchard as well.....
     
  10. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    Here is an updated picture as it sits right now.....24hrs after transfer and 72hrs after being left outside to cool.....
    [​IMG]
     
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  11. Lukass

    Lukass Pooh-Bah (2,891) Dec 16, 2012 Ohio
    Pooh-Bah

    Looking good! I've done open ferments before with small amounts of wort with the intention to catch wild yeast and build a starter culture. But, I've never tried it on an actual batch of beer.

    Between sitting in the shed for a day, and the flower bed for an additional day, there must've been a dense population of yeast/bacteria around there to get a fermentation like that. Nice catch. Definitely save the yeast cake if the samples taste good. A yeast like that would work well in a low IBU saison at warm temps I'm sure.
     
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  12. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    Yeah for sure....I plan to make some slants as well for safe keeping.....I am willing to bet the amount of wooded area that surrounds their house was a big contributer. ....After reading all I have been reading I probably wouldn't have used such a large amount either..... Sometimes I guess winging it pays off...lol. I am pretty excited to see what comes of this....

    So far no off or bad aromas coming from the airlock....
     
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  13. Beerswimmer

    Beerswimmer Initiate (0) Mar 4, 2013 Texas

    Nice work! I also just put out some jars to see if I can capture something. I'm up in Traverse City, where do you live in Michigan?
     
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  14. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    Kalamazoo.....Good luck....Hopefully you capture something good...If you do post about it.....
     
  15. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    [​IMG]A full week since open air cooling....6 days since transfer to glass carboy/ growler....Still fermentating and bubbling ....Temp today got up to around 70 degrees in the closet I have it sitting in....

    Will be making some agar plates and slants when this is all done.....
     
  16. pweis909

    pweis909 Grand Pooh-Bah (3,250) Aug 13, 2005 Wisconsin
    Pooh-Bah

    So you re-captured a Bell's strain :wink:
     
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  17. Tebuken

    Tebuken Initiate (0) Jun 6, 2009 Argentina


    I must appologize for my post regarding this nice fermentation could not be possible in such a few days as OP has posted.I have consulted OLD SOCK and he told me that it is perfectly possible because wild fermentations have a very wide variablity.

    Excuse me

    My best regards from Argentina
     
  18. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    No worries.....No offense taken at all....I appreciate the reply.

    James
     
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  19. StupidlyBrave

    StupidlyBrave Zealot (507) Jan 2, 2009 Pennsylvania

    When I read that, I remembered that I regularly drain out my fermenters into the same old stump in the back yard. And I mostly use chico. Perhaps I will try something similar someday.
     
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  20. azurel

    azurel Initiate (0) May 27, 2016 Michigan

    No real change....Bout 2 weeks left before a sample will be taken....I have read and seen video where it was stated once it hits roughly 30 days it should be completely safe. Although as rapid as fermentation started I doubt there is big risk of any bad bacteria.
     
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