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It's fine. I assume the beer is still actively fermenting, in which case not only will freshly-produced CO₂ (somewhat) displace the O₂ in the headspace, but the yeast can still clean up any O₂ that does dissolve into the young beer. Many high-gravity beers actually forcibly inject O₂ during the early stages of fermentation to get a solid ferment. RDWHAHB.


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You can also add a Non-return valve, just like the one used for cold water supply line of water heater, put it at the end of the tube, it will prevent water flow back to the frementer, it can be found at any plumping store


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It's probably ok, but try a sip first before guzzling it. How does it taste? Does it have enough alcohol to preserve it? The magic number for that is 12.3% ABV. Airlocks don't guarantee freedom from contamination and nor does lack of fluid in an airlock guarantee contamination. The water just helps. The bend in the pipe is really enough to stop most ...


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Your diacetyl rest should be the last couple days of your primary 1) Yes there should be air lock activity as the added heat will give the yeast a boost in activity to clean up the diacetyl precursors. 2) The idea of a slow approach to lager temp is two fold, 1 to allow c02 production to compensate for gas temp shrinkage and prevent airlock suck back. 2 ...


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Short answer Yes No known harmful pathogens can survive in beer or wine. From your disciption there seems to be no sign of acetobacter which can sour the wine, usually it will have a pellicle on top. But even then is safe to drink. Let us know how it is, sounds like a nice wine.


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An s-type airlock allows air in, but the liquid remains in the airlock rather than getting sucked in


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There is a trick to pulling a small sample or drawing yeast. Use a 1" blow off tube of ample length to reach the bottom of a bubbler jar on the floor. The volume in the tube is enough to draw a small sample, as you draw the sample you will see the sanitizer suck up in the tube, don't let it crest the arch and you're ok. For a large draw you can use a ...



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