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-   -   Howto: Capture Wild Yeast (http://www.homebrewtalk.com/f127/howto-capture-wild-yeast-101886/)

9/9 05-07-2009 08:41 PM

1 Attachment(s)

Okay, it looks like I have some non-mold action going on, which is a good thing. However, I am not sure what is the next step.

It doesn't look like mold, but there are clearly bubbles on the top. Smells funky/sour.

Is there a way to tell if this is bacteria or yeast? How should I go from here? Make a full sized starter and transfer to that? Any suggestions?

I am excited to have something going on here.

Here is a pic compared to my control, which I never left out for an exposure.


rwabdu 03-25-2011 05:01 PM

my wild yeast growth
 
3 Attachment(s)

here are some pictures a week later. smells like crap. any idea what I got? im going to try to plate them before mold takes over. (i innoculated 3 jars over different amount of time: 2 days, 1 day, 12 hours

the first and second picture is very goupy, almost like slaiva, thick and sticky nasty stuff, doesnt smell good at all. sticking with it tho.

the bottom picture was crusty on top, when i was platting it, it broke and made a crunchy sound. it smells better tho, like sour beer! this is the only one id think about tasting, but I havent tried it yet. maybe I will work of making a batch some time in the next few weeks.


rwabdu 03-25-2011 05:01 PM

my wild yeast growth
 
3 Attachment(s)

here are some pictures a week later. smells like crap. any idea what I got? im going to try to plate them before mold takes over. (i innoculated 3 jars over different amount of time: 2 days, 1 day, 12 hours

the first and second picture is very goupy, almost like slaiva, thick and sticky nasty stuff, doesnt smell good at all. sticking with it tho.

the bottom picture was crusty on top, when i was platting it, it broke and made a crunchy sound. it smells better tho, like sour beer! this is the only one id think about tasting, but I havent tried it yet. maybe I will work of making a batch some time in the next few weeks.


rwabdu 03-25-2011 05:01 PM

my wild yeast growth
 
3 Attachment(s)

here are some pictures a week later. smells like crap. any idea what I got? im going to try to plate them before mold takes over. (i innoculated 3 jars over different amount of time: 2 days, 1 day, 12 hours

the first and second picture is very goupy, almost like slaiva, thick and sticky nasty stuff, doesnt smell good at all. sticking with it tho.

the bottom picture was crusty on top, when i was platting it, it broke and made a crunchy sound. it smells better tho, like sour beer! this is the only one id think about tasting, but I havent tried it yet. maybe I will work of making a batch some time in the next few weeks.


Homebrewtastic 02-07-2012 04:58 PM

1 Attachment(s)

So about a month ago I set some weak DME solution out on my porch with cheesecloth over night. Brought it in, then about a week and a half later I had visible fermentation. I then decided to try stepping it up in a little bit of late runnings from a batch I made about two weeks ago. I added nutrient shook well etc.... Nothing happened. For two weeks NADA no visible signs of fermentation nothing. I ignored it for a few days intending to toss it. Today when I go to do just that

Attachment 46915

Yeast rafts stuck to the sides of the growler and a decent cake on the bottom. Obviously I'm thrilled that it finally took off. But has anyone else experienced such a long lag time using wild yeast? We're talking two weeks here. Thought it was odd.


Pith 04-16-2012 01:13 AM

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Attached is an image I took from my iPad.

Ingredients:
25mL dry wheat malt extract
250mL water
30mL gelatin
and around about 4 days. Check yours each day for fast-breeding colonies, if that's a feature you're selecting for.


jrm59 05-10-2012 03:33 PM

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Attachment 60828

So I'm three days in and I have this pellicle forming. Is it good or bad? Also I noticed a couple tiny dots on the top. Is that mold?

jrm59 05-12-2012 01:41 AM

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Ok so this is the pellicle on day 4.


Attachment 61000

You can't really see it in the picture, but there is a tiny grey-ish, mold-resembling dot on the top. Opinions? If I should try to skim it out, does anyone have a good technique of how to do that out of a flask?


KYB 06-04-2012 02:52 AM

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I don't believe I had a question.. and yes, I know - all of that. I am more than familiar with wild beers. That is the point of this experiment.

I am stepping them up into quart jars now, then I am going to brew a batch and split into 1gal jugs after they ferment and settle. Those will sit for awhile then I will bottle to see how they progress. Hoping to start the experiment over again soon to see what else I can get.

From left to right: Jar near raspberry bushes (the other jar near them was bad), Jar on a porch under a big tree (crystal clear, had a strong fermentation), 2 cellar jars (hazy but you can see through them).


thasnazzle 06-09-2012 12:58 AM

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A day later and there is something that looks suspiciously like yeast sediment in a couple jars. Is that possible? Or is this probably brewing yeast from my apartment?



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