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Pellicle Photo Collection

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This was the first one for me. It was on an Octoberfest. Should I just dump it?

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Do all the bugs transfer over when they infect something nearby like that? Could they be stuck in my fermentation chamber forever?

It is possible, though I'd recommend you trace your steps as it's more likely that some equipment made physical contact with all your infected stuff.

It's probably not in your chamber forever but I would really deep clean it and spray it down heavily with sanitizer.
 
You definitely caught something in there. I'd pull a taste and decide if you want to keep it.

So I let it ride a few weeks....my once stable FG of 1.011 is now at 1.008. it tastes....not great. Looking to be a dumper :(
 
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3 gallons of unhopped 1.032 wort with 2 shots of goodbelly mango probiotic. I held this at 95'F for 62 hours before boiling. pH dropped from 4.5 to 3.35 during that time.

This is being turned into a gose with lemongrass, lime and thai basil.
 
Here is my cantillon starter collection. My cantillon starter is in the corner, and I had some other regular yeast starters under foil caps that got infected probably when the fridge fan was blowing. they all seem to have the cantillon bug other than a couple things I cultured.

I have since quarantined them and may split them all up to see how they fare later. vermont ipa/cantillon, abbey/cantillon, and saison cantillon. For now I will just be pitching some of the actual cantillon starter in to my consecration clone when I rack to secondary.

Do I just pour out the liquid and add the dregs? Do chunks of pellicle matter? Just checking, this will be my first sour, and I am already worried I may have cantilloned my fermentation chamber. Nothing else inside has shown any issues, just the foil cap starters I had, but the fridge funk culture on the front right is from my fridge with just the ventilation going. Not sure if the bugs are inside forever.

If so, at least its cantillon bugs, I would not complain if thats my house sour culture.

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I'm a bit confused by all of the photos in which the tops of kegs and buckets are opened widely. If I'm not mistaken, opening the containers in such a way can potentially introduce enough oxygen to create significant sour.

I understand that many want to taste that sourness, so some oxygen is good. But are people constantly opening their fermentors? I have 4 sours aging right now, and none have more than a couple spots were I see pellicle. With the extreme pellicle growth in these photos, I'm guessing these beers are going to be quite sour.

Am I missing something? Should I be opening my fermentors occasionally and intentionally introducing oxygen? I am using glass carboys right now, so unless I pop the top, not much oxygen is going to be introduced.
 
FWIW - when i first made my sours, i was also using glass carboys. I even purged with co2 prior to transferring, and hadn't removed the airlock for well over 6 months. they both had large pellicles. According to MtF, very little is truly known about pellicle formation, or even how oxygen truly plays into the formation. I've heard that some sours may not even show signs of a pellicle, but indeed have the bugs/yeast strains responsible for "making" pellicles.
 
I'm a bit confused by all of the photos in which the tops of kegs and buckets are opened widely. If I'm not mistaken, opening the containers in such a way can potentially introduce enough oxygen to create significant sour.

I understand that many want to taste that sourness, so some oxygen is good. But are people constantly opening their fermentors? I have 4 sours aging right now, and none have more than a couple spots were I see pellicle. With the extreme pellicle growth in these photos, I'm guessing these beers are going to be quite sour.

Am I missing something? Should I be opening my fermentors occasionally and intentionally introducing oxygen? I am using glass carboys right now, so unless I pop the top, not much oxygen is going to be introduced.


Pellicle growth or formation or appearance is not going to dictate how sour a beer is. It's just a formation that is protecting the underlying beer. Some look crazy. Some don't. Some sours don't get them. I have carboys that are full- have some that are half full; they are all making Award winning sours. I love these forums but lots of people overthink things just relax, let them ride and you will know when they are done or when they need to be fruited or blended.
 
To add a little more about pellicle formation.

I have a nearly 3 year old sour that's been blended, I think 4 times now. It's been in plastic for most of the time(so sue me). I've had times where it's formed a big thick white pellicle, other times it's just the wispy bubbles, other times nothing at all. Essentially the same beer, it's been 50/50 blends each time of old/new beer.

Split the old beer in half and added fresh unsoured beer and I don't always get a pellicle, and it's unbelievably sour all the time. Being in plastic one would think it'd always have a huge pellicle.
 
it's not very homebrew but screw it, two brett pellicles from my 600L conicals, i opened the (top) manways for the first time to do various additions. both are brett blends, the first is yeast bay amalgamation added after primary fermentation (7 months on) and the second is 7th generation of a house blend of many strains as primary fermenters after about 2 months.
pellicle!

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Here are some side-shots of Pellicles on two Lambics I currently have on fruit. Both have been on the fruit for about 9 weeks, and probably get bottled in the next week or two. Both Batches are 5 gallons of well aged, blended base lambic, that had to be split into two carboys to accomodate the fruit.

9 pounds of raspberries for one batch, and 21 pounds of Blueberries for the other...

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Have you tasted it? Where is your SG? Pellicle or no, if your SG is stable over a 1-2 months, then go ahead and bottle..
 
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