FAQ-AerationQuestion: What is the importance of oxygenation?
Answer:
In the fermentation vessel, oxygen energizes the yeast to quickly and efficiently consume the wort sugars, preventing a slow and sluggish fermentation. Most home brewers oxygenate their wort by shaking and letting the air (only 21% oxygen) in the head space absorb into solution.
The oxygen deprived yeast may start fine but may fail to develop the energy needed to complete a healthy ferment. The most notable result is a sweet and heavy taste to the beer due to slow, sluggish fermentation and a high finishing gravity. Instead of the 1.008 to 1.012 final gravity possible with the Oxygen Injection System (typical of lighter beers), a final gravity greater than 1.015 is not uncommon with air only.
...Click to Read full AnswerQuestion: How do you achieve higher than 8 ppm O2 levels in your wort?
Answer:
Inject pure oxygen into your wort through a stone (1 min for 12 ppm). Or, by flowing pure oxygen into the carboy's head space and shaking for 20 seconds, twice....Click to Read full Answer
Aeration
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Oxygen Injection System without Oxygen Tank
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