Questions tagged [aeration]
Introducing air into the wort to increase the amount of dissolved oxygen.
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Is aerobic fermentation in beer brewing a myth?
The more I read about yeast and fermentation, the more conflicting, confusing (and possibly incorrect) statements I come across.
I have read in several bits of literature that yeast requires oxygen ...
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Lallemand says their dry yeast does not require aerated wort. Should I aerate anyway?
The specs for Lallemand BRY-97 dry yeast explain that aeration of the wort is not necessary. I've had good results following their instructions precisely, but I wonder if I'm missing out. I wonder if ...
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When to oxygenate when you delay pitching the yeast?
It's time for some summer brewing and that means the warm tap water running through my wort chiller will have trouble cooling my wort down below the upper 70s. Even for the Belgian style beer I'm ...
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Hooking a Tetra 77848 to an air stone
I purchased a Tetra 77848 and some standard 1/4" ID tubing to aerate my wort. However, there's an issue with the tubing hooking up to the output on the tetra, it's too narrow for the 1/4" tubing. I ...
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Pitching/aerating stacked batches
I have been "stacking" batches and have attenuation issues. I will brew 5 G today and pitch the yeast. I repeat these steps tomorrow and add it to the top of the first batch, although I do not pitch ...
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GCB Materials on Cold Wort Aeration
Currently studying for the General Certificate in Brewing from the IBD.
The section on wort oxygenation/aeration states that a disadvantage of in-line cold wort aeration is the
need to increase ...
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Best time to transport wort in a car
I'm planning on brewing my first batch of beer soon, but I will have to do the cooking part at my parents house, which is an hour drive away, and then ferment the beer at my apartment. At what stage ...
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Aerating no chill corny keg fermentors that don't seal
I'm very interested in ferment in corny-kegs after reading some questions about that here on this stackexchange. I will try it next batch, but there is a question about aeration/no chilling method:
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Aerating wort with an air pump. What's the proper gallon rating?
I'd like to aerate three gallons of wort using my aquarium pump and 2 micron stone. The pump is rated for 10 gallon tanks. Is this sufficient?
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Can I re-aerate in the Primary?
Is there a downside to shaking the primary fermenter to re-suspend the yeast if the fermentation is going slowly?
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Why use Oxygen tanks to aerate wort, what are the benefits?
Do you notice any benefits in flavour or yeast activity over a regular air pump?
By not blowing dirty air through your wort, could it keep down infections/contamination?
Does pumping regular air ...
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May I Aerate AFTER Pouring Yeast into the Carboy?
I extract brew, and the kits I buy from NB tell me to add cold water to the wort to get a total of 5 gallons, and then aerate before adding the yeast.
However, if I do this I will always have more ...
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What is the proper way to supplement a yeast starter with oxygen via an aeration stone?
I have two yeast starters going on my two homemade stir plates. The stir bar or the stir plate for one of them is malfunctioning and I can not increase the speed enough to get a vortex going. It is ...
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Yeast Starter Vortex Size
I've read online that the size of the vortex in a yeast starter does not matter. Why is this true?
When I was experimenting with water yesterday, I created a monster vortex (very cool) and could see ...
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When is aeration good and/or bad in homebrewing?
I had thought that the point of using a siphon when moving wort/beer is to prevent agitation and aeration and a ruined beer. So we use the siphon when moving cooled wort to the carboy for fermentation,...
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