Yeast raft or infection
- Thread starter BostonianBrewer
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BostonianBrewer
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Anyone
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BostonianBrewer
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There definitely not just bubbles
LeBreton
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Looks like some sort of aerobic bacteria infection. The problem here is that there is too much headspace in the secondary. It should be filled up to the neck of the bottle.
Luckily it doesn't look too bad, you caught it early, and the solution is pretty simple; Rack out from underneath the pellicle, add some sulfites if that's you thing, and then bottle or age longer in an appropriately sized carboy.
Luckily it doesn't look too bad, you caught it early, and the solution is pretty simple; Rack out from underneath the pellicle, add some sulfites if that's you thing, and then bottle or age longer in an appropriately sized carboy.
That's what I was going to say- it's important to top up. A jug/carboy not topped up is susceptible not only to infection (due to the oxygen in the headspace) but also to oxidation (again, due to the air/oxygen in the headspace).
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BostonianBrewer
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I usually try and top up but after I racked to secondary I lost more than I anticipated resulting in too much head space , now for the real kicker . When I pulled this jug out of the case of jugs that all my one gallon jugs are stored in it got caught and jarred it pretty bad breaking up that raft .....now what
It'll reform.
I'd still rack, to a smaller vessel, with 1 crushed tablet per gallon (or a whole one if that's less than a gallon).
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BostonianBrewer
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It's a one gallon jug I can't rack any smaller I will just bottle tonight
Agreed! And the bottles will pop the corks as it keeps growing.
Since it's only one gallon, and you don't want to rack to a new container, I'd stick it in the fridge and drink it. It could be racked to a growler-sized container (1/2 gallon) or something, but I wouldn't bottle it.
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BostonianBrewer
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Thanks again yooper!
This looks just like the one and only infection I got in a batch of beer. Looked like a strange ice slick growing on top. I just racked from under it, bottled and let it carb up. Tasted fine to everybody that drank that batch.
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