-1
votes
3answers
552 views

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 ...
1
vote
1answer
437 views

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 ...
5
votes
2answers
212 views

oxygen and yeast pitching rates

Many online references, such as BYO, mention that oxygen is needed by yeast to reproduce, and that a wort with low dissolved oxygen levels will have longer lag times and less attenuation. This might ...
5
votes
2answers
492 views

How to measure wort oxygenation

As a follow-up to a couple of other questions: How to Properly Oxygenate Wort Wort aeration on a budget How do you measure oxygenation of wort? What methods are available for a beginner brewer ...
11
votes
5answers
1k views

Is it necessary to aerate wort when pitching onto an existing yeast cake?

To my knowledge, aeration provides oxygen so that the yeast can reproduce before fermentation. If you're pitching onto an existing yeast cake, there should theoretically be enough yeast already to ...
14
votes
4answers
5k views

How to Properly Oxygenate Wort

How much oxygen do I need to put into my wort? I've heard that homebrewers need to aerate with an oxygen stone and either aquarium pumps or oxygen. Is this true, or is shaking my carboy enough to ...